Health & Fitness

A study inks precarious work with increases in body mass index and adds to a growing body of evidence that precarious work may contribute to poor health outcomes.

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A new way to learn about your ancestors could become commonplace thanks to the merging of technology and grave sites.   

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A 'biocomputer' powered by human brain cells could be developed within our lifetime, according to researchers who expect such technology to exponentially expand the capabilities of modern computing and create novel fields of study.

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Researchers describe how gut-on-a-chip devices can bridge lab models and human biology. Modeling the microbiome is particularly difficult because of its unique environmental conditions, but through creative design, gut-on-a-chip devices can simulate many of these properties, such as the gut's anaerobic atmosphere, fluid flow, and pulses of contraction/relaxation. Growing intestinal cells in this environment means that they more closely resemble human biology compared to standard laboratory cell cultures.

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New research traces plastics from food to placentas to fetal organs.

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Face blindness, a mystifying condition that can trick us into believing we recognize people we've never met or make us fail to recognize those we have, has been previously estimated to affect between 2 and 2.5 percent of people in the world. Now, a new study is providing fresh insights into the disorder, suggesting it may be more common than currently believed.

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While apprehensions about employment and schools dominate headlines, the truth is that the effects of large-scale language models such as ChatGPT will touch virtually every corner of our lives. These new tools raise society-wide concerns about artificial intelligence's role in reinforcing social biases, committing fraud and identity theft, generating fake news, spreading misinformation and more. A team of researchers is seeking to empower tech users to mitigate these risks. The authors demonstrate that people can learn to spot the difference between machine-generated and human-written text.

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From syncing your cycle to forming new habits, these pocket-rocket apps will take your wellbeing to the next level.

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A tiny robot that could one day help doctors perform surgery was inspired by the incredible gripping ability of geckos and the efficient locomotion of inchworms.

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Teens and young adults who reduced their social media use by 50% for just a few weeks saw significant improvement in how they felt about both their weight and their overall appearance compared with peers who maintained consistent levels of social media use, according to new research.

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New research finds that overweight populations have a 22% higher mortality risk than those of healthy weight, while obese populations have as much as double the risk. The study counters prevailing wisdom that excess weight impacts mortality only in extreme cases and sheds light on the pitfalls of using Body Mass Index (BMI) to measure health outcomes.

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Synthetic hydrogels were shown to provide an effective scaffold for neuronal tissue growth in areas of brain damage, providing a possible approach for brain tissue reconstruction.

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Researchers found that fostering social connections around nature-based activities may be connected to improved health and quality of life for elders.

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Previous studies have suggested a possible link between head injury and increased rates of brain tumors but evidence has been limited and often inconclusive. A team has now identified a possible mechanism to explain this link, implicating genetic mutations acting in concert with brain tissue inflammation to change the behavior of cells, making them more likely to become cancerous. Although this study was largely carried out in mice, it suggests that it would be important to explore the relevance of these findings to human gliomas.

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Psyllium fiber protects against ulcerative colitis and suppresses inflammation by activating the bile acid nuclear receptor, a mechanism that was previously unrecognized, according to a new study.

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Sensing a hug from each other via the internet may be a possibility in the near future. A research team recently developed a wireless, soft e-skin that can both detect and deliver the sense of touch, and form a touch network allowing one-to-multiuser interaction. It offers great potential for enhancing the immersion of distance touch communication.

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Researchers create a network of interacting proteins -- or interactome -- to aid drug discovery.

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To eat or to mate -- that is the question (and the answer is: moderately hungry mice choose to mate). Researchers show that hungry mice prioritize interacting with members of the opposite sex over eating and drinking when their brains are stimulated with leptin, an appetite-suppressing hormone.

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Haematopoietic stem cell transplantation for the treatment of severe blood cancers is the only medical intervention that has cured two people living with HIV in the past. An international group of physicians and researchers has now identified another case in which HIV infection has been shown to be cured in the same way. The successful healing process of this third patient was for the first time characterized in great detail virologically and immunologically over a time span of ten years.

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Getting good sleep can play a role in supporting your heart and overall health -- and maybe even how long you live -- according to new research.

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As air pollution in Stockholm has decreased, so has the lung capacity of children and adolescents has improved, a new study reports. The researchers consider the results important, since the lung health of the young greatly affects the risk of their developing chronic lung diseases later in life.

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People who regularly use laxatives, a common treatment for constipation, may have more than a 50% increased risk of developing dementia than people who do not use laxatives, according to a new study. Researchers also found people who used only osmotic laxatives, a type of laxative that attracts water to the colon to soften stool, had an even greater risk. Other types of laxatives are bulk-forming, stool-softening, and stimulating. The study does not prove that laxatives cause dementia. It only shows an association.

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A new study shows fasting can trigger a negative effect on fighting infection on a cellular level in mouse models.

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A new study shows that a 2018 California bill banning routine antibiotic use in livestock is linked with reduction in some antibiotic-resistant infections.

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Model Brooke Pitt (nee Hogan) has opened up about the heart-wrenching experience of trying to fall pregnant throughout an 'unexplained fertility situation', and the years of treatment she endured to get there. 

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The human body can predict the timing of regular meals, according to a new study. The research team also found that daily blood glucose rhythms may be driven not only by meal timing but by meal size.

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Reduced endometriosis symptoms and an excuse not to leave the house during that time of the month. Paloma Devine tries the centuries old practice of free bleeding. While we can’t promise this practice will reduce your load of laundry, we can promise it will make you rethink the way you bleed.  

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A new model offers a possible solution to the scientific question of why neutral sequences, sometimes referred to as 'junk DNA', are not eliminated from the genome of living creatures in nature and continue to exist within it even millions of years later.

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Remdesivir was one of the first medications approved for treatment of COVID-19. Clinical studies evaluated its effectiveness, but did not generate conclusive results. A new analysis of the study data shows that a specific group of patients benefits the most from the drug.

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A vibrating capsule designed to stir the colon to action appears to double the ability for adults struggling with debilitating chronic constipation to defecate more normally and without drugs, researchers report.

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Elevated levels of air pollutants are associated with bone damage among postmenopausal women, according to new research. The effects were most evident on the lumbar spine, with nitrous oxides twice as damaging to the area than seen with normal aging.

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Researchers have engineered an electrostatic face mask that can 'self-charge' through the user's breathing and continuously replenish its electrostatic charge as the user wears and breathes through the mask. This significantly increase the filtering performance in prolonged use of the mask for up to 60 hours, compared to four hours for a conventional surgical mask. This also benefits the environment.

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Researchers have generated the first induced pluripotent stem cells (iPSCs) from bats, gaining valuable insights into the close relationship between bats and viruses.

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Analyzing the most extensive datasets in the U.S., researchers have revealed that vaccination against COVID-19 is associated with fewer heart attacks, strokes, and other cardiovascular issues among people who were infected with SARS-CoV-2, the virus that causes COVID-19.

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You'd be hard-pressed to find an Australian home that doesn't have Aspirin or Panadol on hand. Is it, however, safe to rely on this pain relief strategy daily? Dr Deb Cohen-Jones shares her professional advise...   

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Social cohesion and connection decline in an ageing population, according to a new study of one of humanity's closest relatives.

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Hold on to your fascinators, Harry and Meghan Markle are planning more legal action after taking issue with a cartoon depiction of their lives on South Park.   

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 It’s been 15 years since Madeleine McCann disappeared, but a young woman in Poland claiming to be the missing girl has renewed the world’s interest in the case and highlighted the scary trend of people believing they’re somebody they’re not.

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There isn't much Jana Pittman can't do. She's a former summer and winter Olympian, an author, public speaker and a member of the army reserves. Plus, she's a mum-of-six and a doctor. 

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A year on from learning beloved Hollywood actor Bruce Willis was diagnosed with aphasia, his family has shared that the 67-year-old's degenerative illness has progressed to frontotemporal dementia.

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Some parents may not be properly measuring or responding to elevated temperatures in children, a new national poll suggests.

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The Centers for Disease Control and Prevention (CDC) reports the prevalence of obesity in the U.S. was 42.4% in 2018, with current estimates indicating the global prevalence of overweight and obesity may exceed 57% by 2030.

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Penis size has grown by 24 per cent in the last three decades, but doctors fear it could be a result of poor lifestyle choices and chemical interference. 

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Is everything we’ve been told about weight loss wrong? Yes, say a growing group of experts, who want you to ditch diet culture and apply a new school of thinking.

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Scientists have found how the human brain changes and adapts to weightlessness, after being in space for 6 months. Some of the changes turned out to be lasting -- even after 8 months back on Earth.

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In a potential game changer for the treatment of superbugs, a new class of antibiotics was developed that cured mice infected with bacteria deemed nearly 'untreatable' in humans -- and resistance to the drug was virtually undetectable.

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Neuroimaging techniques, like functional magnetic resonance imaging (fMRI), are not able to directly measure neuronal activity. To address this knowledge gap, a team has created a novel experimental platform that is able to optically record local neuronal activity during brain-wide fMRI in rodents.

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Multiple births, a short interval between pregnancies and mothers with a maternal physical or mental health condition are more at risk of having a low birth rate baby. Every year 20 million children are born with a birth weight below 2,500 grams, and considered low birthweight (LBW) babies The study looked to understand the risk factors for LBW so that resources and interventions could be scheduled effectively.

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Sleep irregularity -- chronically disrupted sleep and highly variable sleep durations night after night -- may increase the risk for atherosclerosis, according to a new study

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A Danish creek has surprised researchers by containing previously unknown virus species.

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The United States, the largest importer of wildlife in the world, is not prepared for future spread of animal-borne, or zoonotic, diseases due to gaps among governmental agencies designed to combat these threats, concludes a new analysis.

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Recent testing of a new contraceptive pill for men has shown promising results in effectively, and temporarily, restricting sperm movement in males.

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The most comprehensive study to date of the blood cancer, Hodgkin lymphoma, has provided fascinating insights into what tumour cells must do to survive. Researchers found that cancer cells use signals to attract certain types of immune cell and instruct them not to attack.

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Ginger has a reputation for stimulating the immune system. New results now support this thesis. In laboratory tests, small amounts of a pungent ginger constituent put white blood cells on heightened alert. The study also shows that this process involves a type of receptor that plays a role in the perception of painful heat stimuli and the sensation of spiciness in food.

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With many people having no sick leave left thanks to countless rounds of COVID-19, determining when to stay home and how to recover from illness has become even more complicated. 

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Scientists enlist widely used cancer therapy systems to control gene expression in mammalian cells, a feat of synthetic biology that could change how diseases are treated.

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To help identify when tense online debates are inching toward irredeemable meltdown, researchers have developed an artificial intelligence tool that can track these conversations in real-time, detect when tensions are escalating and nudge users away from using incendiary language.

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An experimental contraceptive drug temporarily stops sperm in their tracks and prevents pregnancies in preclinical models. The study demonstrates that an on-demand male contraceptive is possible.

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Ground-penetrating radar from China's Martian rover Zhurong reveals shallow impact craters and other geologic structures in the top five meters of the red planet's surface.

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Traditionally, it has been assumed that cultivating food leads to a loss of biodiversity and negative impacts on an ecosystem. A new study defies this assumption, showing that community gardens and urban farms positively affect biodiversity, local ecosystems and the well-being of humans that work in them.

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As anyone who’s worked in an office, a factory, or any other workplace can attest, sometimes bosses play favorites. Whether it’s assigning the most comfortable cubicles or the best parking spots, or deciding whose opinions take precedence during planning sessions, leaders inevitably wind up treating some employees better than others.

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Millions of endurance runners use footwear that has an embedded carbon fiber plate (CFP) in the midsole. While the performance benefits that carbon fiber plate footwear offers have been well documented, little has been published about running injuries related to use of this footwear. In a current opinion piece, authors describe five cases in which runners using carbon fiber plate footwear sustained bone stress injuries.

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When patients receive care after cardiac arrest, doctors can now -- by entering patient data in a web-based app -- find out how thousands of similar patients have fared. Researchers have developed three such systems of decision support for cardiac arrest that may, in the future, make a major difference to doctors' work.

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An ancient human foraging instinct, fueled by fructose production in the brain, may hold clues to the development and possible treatment of Alzheimer's disease (AD).

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Children as young as 4 years old show evidence of a network in the brain found in adults that tackles difficult cognitive problems, a new study found.

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Australian cricket legend and father-of-three, Shane Warne died of "coronary artery atherosclerosis" while holidaying in Thailand in March 2022, his death certificate has revealed. 

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Healthcare workers in remote parts of Australia could have their student debts reneged. Here's everything you need to know.

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In a study of nearly 3,000 schoolchildren, silver diamine fluoride -- a liquid that is brushed onto the surface of teeth to prevent cavities or keep them from worsening -- was as effective against cavities as dental sealants, the standard of care. A single dose of either topical treatment given in elementary schools prevented roughly 80% of cavities and kept 50% of cavities from worsening when children were seen two years later.

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Viruses use the molecular repertoire of the host cell to replicate. Researchers want to exploit this for the treatment of influenza. The team identified a compound that inhibits the body's own methyltransferase MTr1, thereby limiting the replication of influenza viruses. The compound proved effective in lung tissue preparations and mouse studies and showed synergistic effects with already approved influenza drugs.

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Scientists have demonstrated that personalizing CAR-T cell stimulation during manufacturing can significantly enhance the consistency and potency of the resulting CAR-T cell products. By using artificial antigen-presenting cell mimicking scaffolds (APC-ms), the team was able to fine-tune the levels of T cell stimulation to match the phenotype of T cells obtained from leukemia patients, and significantly enhanced their ex vivo and in vivo tumor-clearing abilities.

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Using a new method 'Terahertz (THz) calorimetry', a research team shed new light on the spontaneous phase separation into a protein-rich and a protein-poor phase in a solution. It is assumed that the protein-rich droplets promote the formation of neurotoxic protein aggregates -- a hot spot for neurodegenerative diseases.

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DNA can help to stimulate bone healing in a localized and targeted manner, for example after a complicated fracture or after severe tissue loss following surgery. Scientists have developed a new process in which they coat implant materials with a gene-activated biomaterial that induces stem cells to produce bone tissue.

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Over 600 CTE cases have been published in the literature from multiple international research groups. And of those over 600 cases, 97 percent have confirmed exposure to RHI, primarily through contact and collision sports. CTE has been diagnosed in amateur and professional athletes, including athletes from American, Canadian, and Australian football, rugby union, rugby league, soccer, ice hockey, bull-riding, wrestling, mixed-martial arts, and boxing.

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New research shows that aspirin, an over the counter pain relief drug, could prolong the life of someone diagnosed with ovarian cancer.

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New artificial intelligence technology being developed by engineers could significantly cut down on the time and cost that goes into film study for Super Bowl-bound teams (and all NFL and college football teams), while also enhancing game strategy by harnessing the power of big data.

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Researchers have unlocked one of the secrets as to why some forms of Strep A are associated with severe invasive infection.

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The risk factors linked to cognitive decline in older adults explain a surprisingly modest amount about the large variation in mental abilities between older people, according to a new national study.

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Toddlers' level of attention to 'motherese' speech can be used as a biomarker for autism spectrum disorder (ASD), according to new research. To measure it, scientists developed a new eye-tracking test, which can accurately identify toddlers with a subtype of ASD.

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Researchers have investigated in detail how BPTA syndrome, an extremely rare hereditary condition, arises. A change in the charge of a protein disrupts cellular self-organization, resulting in a developmental disorder. The team also identified hundreds of comparable genetic changes associated with various conditions, such as brain development disorders and predisposition to cancer. This mechanism could be the cause of numerous unexplained diseases and health conditions.

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Researchers have found that children think more highly of the naturally talented over hard workers, a preference that they carry into adulthood.

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Sadly, many family members, friends, and celebrities have suffered from anorexia nervosa, a severe psychiatric disorder associated with intense anxieties concerning weight, shape, and self-esteem. AN is characterized by an eating disorder, food restriction, voluntary vomiting, and extreme emaciation.

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Researchers recently modeled the transmission of COVID-19 within an isolation room at the Royal Brompton Hospital in London, U.K. Their goal was to explore the optimal room layout to reduce the risk of infection for health care staff.

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Engineers have developed artificial intelligence (AI) technology to predict if women with breast cancer would benefit from chemotherapy prior to surgery.

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Characterized by antisocial behaviors and low academic achievement, conduct disorder (CD) impacts an estimated 9.5% of individuals in the United States. Childhood maltreatment is a major risk factor for CD. Past CD studies have identified structural alterations in various brain regions, such as those implicated in emotion processing, learning, and social cognition. A new study has now assessed whether youths with CD who experienced childhood maltreatment differ at the brain level from those with CD without a history of maltreatment.

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A new study demonstrates that a portable electrochemical sensing technology known as eRapid could be an ideal instrument to enable the inexpensive, multiplexed detection of different SARS-CoV-2-directed antibodies at the point-of-care. Researchers showed that specifically engineered eRapid sensors can detect antibodies targeting the virus' so-called nucleocapsid (N) protein from ultra-small samples of blood plasma and dried blood spots with 100% sensitivity and specificity within less than 10 minutes.

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A West Australian town has banned energy drinks for those under 18, in an attempt to bolster youth mental health. 

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A West Australian town has banned energy drinks for those under 18, in an attempt to bolster youth mental health. 

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Coronary artery disease is the most common form of heart disease, affecting more than 20 million Americans. It's estimated to be responsible for 1 in 4 deaths in the United States each year. The new gene discovery opens the door to better treatments.

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South Gippsland town, Poowong, has a big announcement — and it can't hold it in any longer. To raise awareness for Gut Health Month this February, the town has changed its name to Pooright. 

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How long people live is less predictable and life expectancy for young people can be as much as 14 years shorter in violent countries, compared to peaceful countries, according to a new study. It reveals a direct link between the uncertainty of living in a violent setting, even for those not directly involved in the violence, and a 'double burden' of shorter and less predictable lives.

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Researchers have used single carbon atom doping to form four chemical bonds in one step. Gamma-lactams (cyclic molecules that are common in antibiotics) were easily synthetically accessible from alpha, beta-unsaturated amides (an important molecule in cancer progression). The team chemically modified an anti-seizure medication in 96% yield, highlighting the work's utility to otherwise synthetically complex aspects of pharmaceutical development. The results of this work could become foundational to drug discovery and development.

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The TGA has legalised psilocybin and MDMA for treatment of PTSD and depression, making Australia the first country in the world to recognise psychedelics as medicines. 

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A new 'outside-the-box' method of teaching artificial intelligence (AI) models to make decisions could provide hope for finding new therapeutic methods for cancer, according to a new study.

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Study shows just one quality conversation with a friend during the day makes you happier and less stressed by day's end.

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With the third La Niña slowly retreating, national fire service authorities are issuing major warnings for bushfires that are set to blaze through the country next summer.

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Researchers show that brain organoids -- clumps of lab-grown neurons -- can integrate with rat brains and respond to visual stimulation like flashing lights.

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First detailed mapping and modeling of thalamus inputs onto visual cortex neurons show brain leverages 'wisdom of the crowd' to process sensory information.

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Higher consumption of ultra-processed foods may be linked to an increased risk of developing and dying from cancer, an observational study suggests.

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Paul Rudd, the former sexiest man alive, has barely aged a day since his Hollywood debut, and it turns out the secret to his youth and vitality isn't worth losing sleep over.   

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Scientists have identified a previously unknown species of circovirus, provisionally named human circovirus 1 (HCirV-1). Circoviruses are a family of small, highly resistant DNA viruses that were initially identified in 1974 in various animal species, where they can cause respiratory, renal, dermatological and reproductive problems. HCirV-1 is a novel virus that is distant from known animal circoviruses. It was shown to be implicated in damage to the liver of a patient undergoing immunosuppressive treatment.

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Health experts are warning parents to be on the lookout for symptoms as a killer bacteria that has caused the deaths of dozens of children in the UK, spreads further in Australia.

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Engineers have developed a new way to make sharper, defect-free displays, which could improve augmented and virtual reality devices. Instead of replacing red, green, and blue light-emitting diodes side by side in a horizontal patchwork, the team stacks the diodes to create vertical, multicolored pixels.

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Changing how tightly an antibody binds to a target could improve treatments for cancer.

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Smart voice assistants are a popular way for people to get quick answers or play their favorite music. That same technology could make the laboratory safer for scientists and technicians who handle potentially infectious samples. Researchers now report a small, voice-activated device that can extract and pretreat bacterial DNA, helping protect those on the front lines of disease outbreaks. The system could also help scientists with disabilities conduct studies more easily.

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