Nutrition basics
Learning Center
How your brain works
Which part of your brain does what? Take a tour.
10 great health foods
Add these health foods to the menu and give your diet a healthy boost.
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Some information you come across about COVID-19 may be out of date or false.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.
COVID-19 travel advice
Traveling during COVID-19? Follow these tips for safely flying, driving and staying at hotels.
Treating COVID-19 at home: Care tips for you and others
COVID-19 can sometimes be treated at home. Understand emergency symptoms to watch for, how to protect others if you're ill, how to protect yourself while caring for a sick loved one and other coping tips.
How to take your pulse
Learn two ways to take an accurate pulse, or heart rate.
Sun damage
See photos of common skin conditions that are caused by too much time in the sun.
Types of dermatitis
Learn to identify types of dermatitis by how the skin looks. Examples include atopic dermatitis, contact dermatitis and seborrheic dermatitis.
Melanoma pictures to help identify skin cancer
See pictures of this type of skin cancer to know what skin changes might cause worry.
Which CPAP masks are best for you?
CPAP masks come in a variety of styles. See some of your options.
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