Researchers reviewed nearly 700 studies on air-cleaning technologies aimed at stopping indoor spread of infections.

BEIJING — Got gut troubles? New research suggests that a steady diet of red meat could make intestinal inflammation worse.

New research links an ancient DNA sequence to neuron growth, brain-cell balance, and a cognitive flexibility trait that may ...

Food perceptions matter: People’s beliefs about whether a food is sweet, fatty, or processed strongly influenced ...

On average, Americans say $74,000 a year would make them happy. But there’s a disconnect: half of respondents say their ...