Health & Fitness

Scientists offer an alternative way to understand and minimize health impacts from human-caused changes to the climate and environment.

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How and what you eat has radically changed over the past few decades with the all-consuming rise of the supermarket. But what price are you paying for this homogenized, cheap and convenient food? This video investigates how supermarkets have affected the food on your plate, and reveals the telltale signs that the food you buy may not have been grown in the way you think.

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A research team has provided what may be the most definitive view to date of the biological process leading to necrotizing enterocolitis (NEC), a dangerous inflammatory disease that can destroy a premature infant's intestinal lining and causes death in up to a third of the cases.

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Traumatic brain injury (TBI) and other injuries to blood vessels in the brain, like stroke, are a leading cause of long-term disability or death. Researchers have found a possible explanation for why some patients recover much more poorly from brain injury if they later become infected.

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Scientists have linked insulin resistance to an increased risk of developing major depressive disorder.

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A surprising discovery may offer a promising new direction in the study of multiple sclerosis and other diseases of hypomyelination -- when axons of neurons are not covered sufficiently in fatty sheaths (myelin), which disrupts communication between nerve cells.

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There are many forms of dietary restriction and their health benefits are not 'one size fits all.' Researchers provide a framework for a new personalized sub-specialty: precision nutrigeroscience, based on biomarkers affected by genetics, gender, tissue, and age.

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To break down toxic proteins more quickly, immune cells in the brain can join together to form networks when needed. However, in certain mutations that can cause Parkinson's disease, this cooperation is impaired.

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A team has discovered a mechanism by which transcription factor KLF4 can help to organize chromatin, thus influencing gene expression.

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In a preclinical study show that their small molecule drug, SRI-42127, can potently attenuate the triggers of neuroinflammation. These experiments in glial cell cultures and mice now open the door to testing SRI-42127 in models of acute and chronic neurological injury.

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Researchers and data scientists have developed an artificial intelligence technique that can identify which cell surface peptides produced by cancer cells called neoantigens are recognized by the immune system.

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While the range of colors your eyes may perceive extends beyond the words language provides, languages around the globe are remarkably similar in how they partition the space of colors into a vocabulary. Yet differences exist. In a study examining 130 diverse languages around the world, researchers developed an algorithm to infer the communicative needs that different linguistic communities place on colors.

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Cancer cells proliferate despite a myriad of stresses -- from oxygen deprivation to chemotherapy -- that would kill any ordinary cell. Now, researchers have gained insight into how they may be doing this through the downstream activity of a powerful estrogen receptor. The discovery offers clues to overcoming resistance to therapies like tamoxifen that are used in many types of breast cancer.

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Among the traditional five human senses, touch is perhaps the least studied. Yet, it is solicited everywhere, all the time, and even more so in recent years with the widespread daily use of electronic devices that emit vibrations. Indeed, any moving object transmits oscillatory signals that propagate through solid substrates. Our body detects them by means of mechanoreceptors located below the skin and transmits the information to the brain similarly to auditory, olfactory or visual stimuli. By studying how mice and humans perceive tactile vibrations, researchers discovered that the brain does not reliably perceive the frequency of a vibration when its amplitude varies. An illusory phenomenon is thereby created, which highlights how far our perception of the world around us can deviate from its physical reality.

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Adults and children with migraines may get less quality, REM sleep time than people who don't have migraines. That's according to a meta-analysis. Children with migraines were also found to get less total sleep time than their healthy peers but took less time to fall asleep.

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Adults with neurologic conditions are more likely than the general population to have had adverse childhood experiences such as abuse, neglect or household dysfunction, according to a new study. The study does not prove that neurologic conditions are caused by such experiences. It only shows an association between the two.

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Researchers can predict what syllables a bird will sing -- and when it will sing them -- by reading electrical signals in its brain, reports a new study. The work is an early step toward building vocal prostheses for humans who have lost the ability to speak.

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One in five Australian women have experienced sexual assault. Recent research has suggested the trauma may lead to cognitive decline.

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Case numbers may be dropping, but Covid remains a threat. As we move into pollen and allergy season, it can be difficult to differentiate between the two.

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When cells multiply and migrate, they can be compressed and their nucleus may break open. This phenomenon causes DNA damage. Scientists have now shown that this facilitates the spread of cancer cells in breast tumors.

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A new study found that adults who reported experiencing sexual abuse by the age of 16 had a 2.6 times higher risk of dying in middle age -- that is, between 45 and 58 -- than those who did not report sexual abuse.

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Researchers have discovered how Rift Valley fever virus enters cells, pointing the way to new therapies to treat deadly Rift Valley fever.

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The master regulator behind the development of antibody-producing cells has been identified in a new study. The findings provide new insight into the inner workings of the immune system and may help understand how tissues develop and how certain cancers arise.

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Can specific dietary guidelines help people living with bipolar disorders better manage their health? Clinical trial results showed that a diet designed to alter levels of specific fatty acids consumed by participants may help patients have less variability in their mood.

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Engineers designed a relatively low-cost, energy-efficient approach to treating water contaminated with heavy metals such as lead.

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A newly developed immunotherapy that simultaneously uses modified immune-fighting cells to home in on and attack two antigens, or foreign substances, on cancer cells was highly effective in mice implanted with human neuroblastoma tissue.

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Scientists have identified two subtypes of metastatic prostate cancer that respond differently to treatment, information that could one day guide physicians in treating patients with the therapies best suited to their disease.

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Poxviruses have found a unique way of translating their genes into proteins in the infected organism. Scientists of the have been able to gain atomic-level insights into the functioning of the molecular machinery involved in the process.

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Researchers have released a new online tool to help schools, hospitals and residents understand and reduce the impact of traffic-related air pollution.

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New research finds four out of five cancer therapies tested in Phase III trials do not achieve clinically-meaningful benefit in prolonging survival, and is the first study to quantify the number of false-positive, false-negative, and true-negative trial results.

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Brain metastasis occurs when cancer in one part of the body spreads to the brain. The lifetime incidence of such metastatic brain tumors in cancer patients is between 20%-45%, research shows.

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The dark side of body enhancing surgery.

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