Health warning labels that use strong causal language deter consumers more than labels with weaker language.

Research for the first time shows a causal link between combat exposure and prescription painkiller misuse.

American diets have gotten a little healthier, but still fall short of federal government recommendations for healthy eating.

To curb climate change, meat-eaters should step away from the T-bone. Research on drivers of meat consumption adds insight as to how to make that happen.

Efforts to change transgender individuals' gender identity are linked to severe psychological distress and suicide attempts, according to a new study in JAMA Psychiatry.

Native-born Americans who live in Los Angeles County neighborhoods with a higher proportion of immigrants tend to eat less fast food and more fruits and vegetables.

Globally, as many as half of the people who survive extreme weather events experience negative mental health outcomes.

Three recent studies examine the effectiveness and unintended consequences of banning religious exemptions to childhood vaccinations in California schools.

A recent study challenges the role that legalizing medical marijuana might play in easing the opioid epidemic.

This research roundup looks at the potential health care-related effects of the new "public charge" rule due to go into effect Oct. 15.