Health & Medicine
- Life
Small part of brain itching for a fight
A cluster of cells compels aggressive behavior in mice.
- Humans
Adaptive no more
A potential benefit in prehistoric lean times, genetic variant may increase risk of gestational diabetes today.
- Health & Medicine
Allergic to cancer
Having an overactive immune system may protect against certain types of brain tumor, a study suggests.
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- Life
Running a cancer roadblock
A new study shows how cells escaping from a breast tumor overcome a piece of RNA that usually stops them.
- Health & Medicine
No flu vaccine link to Guillain-Barré syndrome found
A massive study of millions of people in China finds no association between receiving the 2009 H1N1 immunization and developing the rare nervous system disorder.
- Health & Medicine
Bioengineering better blood vessels
Durable conduits made with a tough protein produced by living cells might improve options for some patients who need heart bypass surgery or kidney dialysis, a new study finds.
- Humans
Early cow’s milk consumption may cut breast-cancer risk
Research studies paint a muddy picture of milk’s malignant threat. Some have linked consumption of cow’s milk with a heightened breast-cancer risk. Others have suggested milk drinking might be protective. A new animal study suggests those data may not be quite as contradictory as they at first seemed.
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- Humans
When meal times no longer focus on food
There’s little doubt that humanity has been tipping the scales at increasingly higher weights and rates. A study now lends support to the idea that meal-time distractions can mask the cues that we really have eaten quite enough. Moreover, it finds, the caloric fallout of not paying attention to what we’re eating doesn’t necessarily end when a meal is over.
- Life
Aerobic exercise boosts memory
Regular walking improved seniors' recall and reversed declines in the size of a brain structure important for remembering.
- Humans
Amoebas in drinking water: a double threat
Analysis reveals widespread, hidden contamination by the sometimes lethal parasites.
