Fitness basics
Learning Center
Exercise and chronic disease: Get the facts
Find out about the benefits of working out with a long-lasting disease and how to exercise safely.
Exercise: 7 benefits of regular physical activity
Improve your heart health, mood, stamina and more with regular physical activity.
Exercising with osteoporosis: Stay active the safe way
Osteoporosis weakens your bones, but you can still exercise — in fact, you should.
Fall prevention: Simple tips to prevent falls
Stay safe and maintain your independence with these simple fall prevention measures.
Female fertility: Why lifestyle choices count
Know what you can do to protect being able to get pregnant.
Fetal development: The 1st trimester
Fetal development begins before you even know you're pregnant. Here's what happens early on.
Fetal development: The 2nd trimester
Fetal development progresses rapidly in the second trimester. Check out the weekly changes.
Fetal development: The 3rd trimester
Fetal development continues as your due date approaches. The countdown is on!
Fetal ultrasound
Look at ultrasound images and learn how to understand what you're seeing.
Fight coronavirus (COVID-19) transmission at home
Fight coronavirus at home by cleaning and disinfecting surfaces that are touched often. Most disinfectants for home use will kill the virus that causes COVID-19.
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