Health & Fitness

The promotion and marketing of unproven stem cell therapies is a global problem that needs a global solution, say experts. The authors of the paper call for the World Health Organization (WHO) to establish an advisory committee on regenerative medicine to tackle this issue and provide guidance for countries around the world.

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Scientists have identified a novel gene, Per2AS, that controls the sleep/wake cycle in mice. Per2AS appears to be a new type of gene, known as a non-coding gene. Unlike most other genes, Per2AS is not translated from RNA into a subsequent protein, thus making its function unclear until now.

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After looking at a database of 850 patients diagnosed with lymphatic and bone marrow cancers between 1972 and 1980, researchers from the University of Tasmania and Britain‘s Bristol University found that living near high-voltage power lines might increase the risk of leukemia, lymphoma, and related conditions later in life.

People who lived within 328 yards of a power line up to the age of five were five times more likely to develop cancer. Those who lived within the same range to a power line at any point during their first 15 years were three times more likely to develop cancer as an adult.

Internal Medicine Journal September 2007; 37(9):614-9

Physorg.com August 24, 2007

 

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Researchers have shown that even after lung tissue has been damaged, it may be possible to reverse fibrosis and promote tissue repair through treatment with microgel-coated mesenchymal stromal cells.

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Researchers have developed a novel multi-well, continuous-flow microfluidic device that may help scientists and pharmaceutical companies more effectively study drug compounds and their crystalline shapes and structures, which are key components for drug stability.

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Produced in a sustainable way, synthetic fuels contribute to switching mobility to renewable energy and to achieving the climate goals in road traffic. In Empa's mobility demonstrator, move, researchers are investigating the production of synthetic methane from an energy, technical and economic perspective - a project with global potential.

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An algorithm based on 20,000 nights of sleep that can improve the diagnosis, treatment and our overall understanding of sleep disorders has been developed.

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Researchers now report a high-throughput target and drug discovery platform using motor neurons made from ALS patients. Using the platform, they confirmed two known targets and identified an existing class of drugs -- agonists to the dopamine D2 receptor -- as potential novel treatments.

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Professor Bill Ledger discusses the tenuous link between endo and fertility and what the (still very new) science is telling us.

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In a study of healthy volunteers, researchers have mapped out the brain activity that flows when we learn a new skill, such as playing a new song on the piano, and discovered why taking short breaks from practice is a key to learning.

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New molecules have promising properties as possible drugs against epilepsy. A study shows that several of the molecules have antiseizure effects.

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New insight on the link between a gene called SORBS2 and congenital heart disease has been published, with findings that may help explain the cause of the disease in some patients.

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Weakened electrical signals in the brain may be an early warning sign of age-related neurodegenerative diseases such as Alzheimer's disease.

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Men who suffer sensory loss, particularly hearing loss, are more likely to be physically inactive and obese than women, according to a new study.

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A study indicates that exercise is probably the most effective short-term treatment for depression in people with coronary heart disease, when compared to antidepressants and psychotherapy or more complex care.

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Scientists have observed for the first time what it looks like in the key memory region of the brain when a mistake is made during a memory trial. The findings have implications for Alzheimer's disease research and advancements in memory storage and enhancement, with a discovery that also provides a view into differences between the physiological events in the brain during a correct memory versus a faulty one.

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Scientists have compiled the most complete library yet of lanthanide heavy metals and their potential toxicity -- by exposing baker's yeast to lanthanides. Their findings could help researchers uncover hidden pathways between lanthanide metals and disease.

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Children who consume too much sugar could be at greater risk of becoming obese, hyperactive, and cognitively impaired, as adults, according to the results of a new study.

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Researchers have recently uncovered a new gene mutation responsible for the non-familial patients of cerebral cavernous malformation (CCM) -- a brain vascular disorder which inflicted about 10-30 million people in the world.

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As plastic ages or is exposed to heat or stress, it can release trace amounts of some of its ingredients. Of particular concern are bisphenol-a (BPA), used to strengthen some plastics, and phthalates, used to soften others.

These chemicals are used in hundreds of household items; BPA is in everything from baby bottles to can linings, while phthalates are found in children‘s toys as well as vinyl shower curtains. They enter your body through the food, water and bits of dust you consume, or are simply absorbed through your skin.

BPA and phthalates are endocrine disrupters, which mimic hormones. Estrogen and other hormones in relatively tiny amounts can cause vast changes, so researchers worry that BPA and phthalates could do the same, especially in young children.

To cut down on your exposure, avoid plastic bottles and toys labeled with the numbers 3 or 7, which often contain BPA or phthalates, and canned foods, especially those with acidic contents like tomatoes. You should also avoid heating plastic in microwaves.

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More than three decades of scientific research suggests that repeatedly telling children that they are especially smart or talented leaves them vulnerable to failure, and fearful of challenges.

Children raised this way develop an implicit belief that intelligence is innate and fixed, making striving to learn seem less important than seeming smart; challenges, mistakes, and effort become threats to their ego rather than opportunities to improve.

However, teaching children to have a “growth mind-set,” which encourages effort rather than on intelligence or talent, helps make them into high achievers in school and in life. This results in “mastery-oriented” children who tend to think that intelligence is malleable and can be developed through education and hard work.

This can be done by telling stories about achievements that result from hard work. Talking about math geniuses who were born that way puts students in a fixed mind-set, but descriptions of great mathematicians who developed amazing skills over time creates a growth mind-set.

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More than 80 percent of schools in America use toxic pesticides as a preventative measure, whether it‘s needed or not.

Mark Lame, an entomologist and professor at Indiana University‘s School of Public and Environmental Affairs, believes this is an entirely unnecessary practice that carries more risks than benefits to students and faculty.

The most widely used pesticides are, in fact, nerve poisons. They cause uncontrolled nerve firing, and disrupt the delicate hormone systems.

The link between pesticide exposure and health problems in children is already well established. Research has connected these endocrine-disrupting pesticides to health problems such as ADHD, autism, and infertility -- all of which are on the rise.

Professor Lame says pest problems are better managed through an integrated approach -- by preventing the conditions that attract pests into school facilities in the first place.

Lame serves as a consultant for schools around the country, helping them reduce the toxic load by implementing his Integrated Pest Management (IPM) process.

Science Daily July 21, 2007

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