Fitness basics
Learning Center
Fetal ultrasound
Look at ultrasound images and learn how to understand what you're seeing.
Fitness program: 5 steps to get started
Starting a fitness program is easier than you might think. Follow these five steps.
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.
Genetic testing for breast cancer: Psychological and social impact
Prepare for your hereditary cancer gene test by learning how genetic testing for breast cancer may affect you and your family members.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
HPV vaccine: Who needs it, how it works
Learn about how the HPV vaccine works, who needs it and what side effects to expect.
Headaches and hormones: What's the connection?
Headaches are part of life for many people. Understand how hormones can play a role.
Heart conditions and pregnancy: Know the risks
Here's what to know to protect your heart and have a healthy pregnancy.
Heart disease in women: Understand symptoms and risk factors
Heart disease and heart attack symptoms may be different in woman than in men. Know the warning signs and learn ways to protect your heart.
Herd immunity and COVID-19: What you need to know
To protect groups of people over time, it helps to know what level of recovery or vaccination in a population makes it hard for a germ to spread.
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