Here's why you shouldn't post your COVID-19 vaccination card on social media.
Plus other vaccine rip-offs to watch out for.

Swelling from your COVID-19 shot may mimic cancer on your mammogram. But that doesn't mean you should skip either one. Here's what to do instead.

The quality of air you breathe at home can have a big impact on your health.
Find out what to do about some common troublemakers.

There isn't a lot of data yet on how COVID-19 vaccines perform in people with
weak immune systems. Studies are coming, but in the meantime, here are
three smart questions to ask your doctor.

If you've put off a colorectal cancer screening because of the pandemic,
it's time to catch up. Learn who's at risk and when screenings should start.