The Benefits and Risks of Fluoride, Explained
Robert F. Kennedy Jr. has said he wants to curb water fluoridation nationwide. Here’s what the science shows about the benefits and the risks.
How Covid Can Change Your Gut
Diarrhea, constipation, pain, bloating: We asked experts why the virus causes these issues and what to do about them.
How To Talk to Your Teen About Pornography
Odds are your adolescent has already encountered online pornography. Your role is to openly address it, scholars say.
ADHD Diagnosis in Older People Has Increased
Many say they are relieved to finally have an explanation after decades of struggle.
Sign Up for Well’s 5-Day Ultraprocessed Foods Challenge
Try these simple steps for a healthier 2025.
UnitedHealthcare Killing Suspect Said to Have History of Back Pain, a Common Medical Problem
The suspect charged with killing the chief executive of UnitedHealthcare was said to have back issues, one of the most common medical problems nationwide.
Do I Really Need to Throw Out My Black Plastic Spatula?
A new study detected dangerous chemicals in a variety of household items. But experts say the health risks aren’t clear-cut.
How to Stay Active in the Winter
A few tweaks to your routine can make getting outside more comfortable this season.
Does Your Running Form Really Matter?
Many runners believe their natural stride could be improved. Here’s what to know before trying to change yours.
3-D Mammograms Are Overtaking Traditional Scans. Are They Better?
Here’s how good the tests are at detecting cancer and preventing false positive results.