Fitness basics
Learning Center
Osteoporosis treatment: Medications can help
Find out more about your options for bone-preserving drugs, including how often you need to take them and what side effects you might expect.
Placenta: How it works, what's normal
Understand how this pregnancy organ works and what conditions can affect it.
Testosterone therapy: Potential benefits and risks as you age
Testosterone therapy — Explore the potential benefits and risks of increasing your testosterone level.
Debunking COVID-19 myths
Some information you come across about COVID-19 may be out of date or false. Learn about COVID-19 myths so you can bust them when you see them.
Types of psoriasis
Learn to identify types of psoriasis, such as guttate psoriasis and scalp psoriasis, by appearance.
How your brain works
Which part of your brain does what? Take a tour.
Balance exercises
These exercises can improve balance and help prevent falls. See how they're done.
Allergies and asthma: They often occur together
Allergies and asthma? Find out how to control both conditions.
COVID-19 vaccines: Get the facts
Find out about the COVID-19 vaccines, the benefits of COVID-19 vaccination and the possible side effects.
COVID-19 travel advice
Concerned about COVID-19 when you travel? Follow these tips for safely flying, driving and staying at hotels.
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