A study showing that a molecular switch governing chronic inflammation can be turned off. Then, a study that shows that few of us are taking advantage of the great outdoors. And finally, doctors are reporting a strange, rare side effect of the active ingredient in Viagra—intensely blue-tinted vision.
Some experts believe the healthy lifespan eventually may be extended to hundreds of years through genetic manipulation. This brings many philosophical and ethical questions, which a noted science author discusses.
Public policy is built on the food desert theory: the lack of neighborhood supermarkets drives people to eat less fresh food and more junk food. New research is challenging that theory, but finding values of grocery stores in other, unexpected places. Experts discuss how nearby supermarkets change people and the neighborhoods where they live.