The American Cancer Society has stopped recommending mammograms at age 40. That's only 1 of the changes in its new guidelines. Find out what you need to know about breast cancer screening.

Exercise can give you better control over your asthma.
But how much of a workout do you need to get—and how often?

Children who ingest even a small amount of hand sanitizer could be in danger of
alcohol poisoning. Find out why kids might be tempted to drink the stuff.

Anxiety from being at the doctor's office could make your blood pressure appear higher than it really is. Find out what experts recommend doing to get a clearer picture
of your numbers.

A new study says most teens spend at least an hour gazing at their phones when they should be sleeping. And that habit could affect their health, as well as their grades.