Researchers have developed an opioid compound that targets specific pain receptors in cells, but without producing the addictive qualities typical of currently available drugs.

Life expectancy in the United States declined for the second year in a row due to an opioid epidemic, but a new vaccine shows promising results in mice and rats.

In experiments on mice, Stanford University researchers found a “moment of weakness” that occurred in the brain just before binge eating — and a zap of electricity successfully prevented the mice from overeating.

Three psychology researchers have taken it upon themselves to solve the nationwide problem of partisan gerrymandering using a computer algorithm.

A study of home interiors found that the environment rather than residents’ lifestyles seems to determine where bugs are likely to thrive.

As plastic in the world’s oceans continues to rise, researchers are pinpointing sources of pollution so that conservation efforts can stem the flow.

A Stanford study found that patients with mild to moderate Alzheimer’s seemed to improve after getting plasma transfusions from young people.

Medical studies authored by women are more likely to include an analysis of sex and gender effects than studies where women researchers didn't take part.

Key insights into how bacteria become resistant to antibiotics could reverse the process and renew the efficacy of commonly prescribed medications.

In a new study, learners of Dutch who consumed about a pint of beer were rated higher on their speaking ability than those who didn’t consume alcohol.

Stanford researchers found that marijuana users have sex 20 percent more often than non-pot smokers, regardless of age, education, or marital status.

A comprehensive international study published in <em>The Lancet</em> found that contaminated water and dirty air kills more people each year than war and violence, hitting poor nations and low-income communities hardest.