Brain size associated with longevity
Mammals with larger brains in relation to body size tend to live longer. This is the conclusion reached by researchers at the Centre for Ecological Research and Forestry Applications (CREAF), affiliated to Universitat Autònoma de Barcelona, after having analysed almost 500 mammal species and obtaining new data on the relation between brain size and lifespan.
Wood smoke exposure multiplies damage from smoking, increases risk of COPD
Smokers who are exposed to wood smoke, either through home heating and cooking or through ambient neighborhood pollution, are not only at increased risk of COPD, but are also more likely to have epigenetic changes in the DNA that further increase their risk of COPD and related pulmonary problems.
Cashew seed extract an effective anti-diabetic
Cashew seed extract shows promise as an effective anti-diabetic, according to a new study from the University of Montreal (Canada) and the Université de Yaoundé (Cameroun). Published in the journal Molecular Nutrition & Food Research, the investigation analyzed the reputed health benefits of cashew tree products on diabetes, notably whether cashew extracts could improve the body's response to its own insulin. more
Tea contains more fluoride than once thought
Black tea, a Southern staple and the world's most consumed beverage, may contain higher concentrations of fluoride than previously thought, which could pose problems for the heaviest tea drinkers, Medical College of Georgia researchers say.
Interferon might help asthma patients breathe easier, UT Southwestern study suggests
An immune-system protein already used to treat diseases like multiple sclerosis, hepatitis C and a variety of cancers might also aid asthma patients, UT Southwestern Medical Center researchers have found.
Medications found to cause long term cognitive impairment of aging brain
Drugs commonly taken for a variety of common medical conditions including insomnia, allergies, or incontinence negatively affect the brain causing long term cognitive impairment in older African-Americans, according to a study appearing in the July 13, 2010 print issue of Neurology, the medical journal of the American Academy of Neurology.
Behavior problems in school linked to two types of families
Contrary to Leo Tolstoy's famous observation that "happy families are all alike; every unhappy family is unhappy in its own way," a new psychology study confirms that unhappy families, in fact, are unhappy in two distinct ways. And these dual patterns of unhealthy family relationships lead to a host of specific difficulties for children during their early school years.
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