Fitness basics
Learning Center
How fit are you? See how you measure up
Find your fitness level with these simple fitness tests.
Sex education: Talking to your teen about sex
Sex education is a parent's job. Here's help handling the challenge.
Family planning: Get the facts about pregnancy spacing
Consider the risks of timing pregnancies too close together or too far apart.
Cancer risk: What the numbers mean
The news is full of reports about cancer risk, but what does it all mean for you? Find out how to interpret cancer statistics.
Fitness training: Elements of a well-rounded routine
Is your fitness training program complete? Here's help to make sure you have all the basics in your program.
Strength training: OK for kids?
It's good for kids to build strength as long as form and safety come first.
Twin pregnancy: What twins or multiples mean for mom
Twin pregnancy or other multiples? Here's help taking care of yourself — and your babies.
How well do face masks protect against COVID-19?
Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and how to use them.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
HPV vaccine: Who needs it, how it works
Learn about how the HPV vaccine works, who needs it and what side effects to expect.
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