Fitness basics
Learning Center
Heat and exercise: Keeping cool in hot weather
Use these tips to avoid problems when exercising outdoors in hot weather.
How fit are you? See how you measure up
Determine your fitness level with this simple fitness assessment.
Medical history: Compiling your medical family tree
Use a special family tree to track your family's health information.
Natural movement: Going back to basics
Adding play and exploration into your fitness plan can help you move more efficiently and stay engaged.
Pregnancy and COVID-19: What are the risks?
Know how COVID-19 might affect pregnancy, labor and delivery, and breastfeeding. And get the facts about the safety of COVID-19 vaccines.
Pregnancy and obesity: Know the risks
Know how obesity can affect your pregnancy. Learn about possible complications and specialized care you might need.
Pregnancy weight gain: What's healthy?
Appropriate pregnancy weight gain is crucial for your baby's health. Know how much to gain and how to make smart choices.
Senior sex: Tips for older men
Sex isn't just for the young. Get tips for staying active, creative and satisfied as you age.
Sex education: Talking to your teen about sex
Sex education is a parent's job. Here's help handling the challenge.
Simple tips for staying active and mobile with osteoarthritis
Physical activity is a proven strategy for managing the pain of osteoarthritis. Here are 5 ways to get started — and make it stick.
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