Health & Medicine
- Life
Friendly fire blamed in some H1N1 deaths
A poorly targeted immune response to the 2009 pandemic flu virus caused young adults and the middle-aged to suffer more than usual.
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- Humans
Food security wanes as world warms
Global warming may have begun outpacing the ability of farmers to adapt, new studies report.
- Life
Dieting may plant seeds of weight regain
Cutting calories causes changes in the brains of mice that appear to encourage binge eating under stressful conditions years later.
- Chemistry
Snot has the power to alter scents
Enzymes in mice's nasal mucus can alter certain odors before the nose can detect them, a new study finds.
- Humans
Vitamin D targets increased
A panel advises raising the dietary allowance for the nutrient, but some scientists say the new recommendations are still woefully low.
- Health & Medicine
A few stray hairs
Brain regions that sense the world can also flick a whisker, research in mice shows, suggesting that the organ’s division of labor is not so clear-cut.
- Health & Medicine
Antiretroviral drugs may prevent HIV infection
Gay and bisexual men who don’t have the AIDS virus can reduce their risk of getting it by taking a drug combination, a new study finds.
- Humans
Visor might protect troops from blasts
Computer simulations show that the current military helmet lets explosive forces into the head through the face.
- Humans
Extra weight in early childhood foretells later disease risk
A study tracking kids from birth into young adulthood identifies ages 2 to 6 as most crucial for predicting later problems with metabolic syndrome.
- Health & Medicine
New drug bumps up good cholesterol
Anacetrapib raises beneficial HDL while lowering harmful LDL, a medical trial finds, suggesting it may be a powerful new weapon against cardiovascular disease.
- Life
Genes jump more in one type of autism
A mutation that causes Rett syndrome also increases the activity of retrotransposons in the brain.
