Fitness basics
Learning Center
COVID-19 vaccines: Get the facts
Find out about the COVID-19 vaccines, the benefits of COVID-19 vaccination and the possible side effects.
Different types of COVID-19 vaccines: How they work
Find out how different COVID-19 vaccines cause your body to create antibodies that will fight the COVID-19 virus.
Aquatic exercises
Thinking about signing up for an aquatic exercise class? Or trying water exercises on your own? Check out these pool moves.
Sun damage
See photos of common skin conditions that are caused by too much time in the sun.
Joint protection for people with hand arthritis
Joint protection — photos showing joint protection techniques to avoid hand arthritis pain.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
Postpartum care: What to expect after a vaginal birth
Learn what to expect and how to manage vaginal soreness and discharge, sore breasts, mood changes, and more after a vaginal delivery.
Healthy sperm: Improving your fertility
You can take simple steps to have healthy sperm and improve your fertility.
Bladder control: Medications for urinary problems
If you've tried lifestyle changes and you still have bladder control problems, medication might help.
Breast cancer staging
Breast cancer staging helps your doctor select the most appropriate treatments.
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