Nutrition basics
Learning Center
Diabetes treatment: Medications for type 2 diabetes
Confused by all the treatment choices for type 2 diabetes? Use this guide to better understand the medicines available to help control blood sugar.
How to measure your respiratory rate
Learn how to accurately measure your breathing rate, which is also known as your respiratory rate.
How to take your pulse
Learn two ways to take an accurate pulse, or heart rate.
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Some information you come across about COVID-19 may be out of date or false.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.
Sun damage
See photos of common skin conditions that are caused by too much time in the sun.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
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.
Which CPAP masks are best for you?
CPAP masks come in a variety of styles. See some of your options.
How your brain works
Which part of your brain does what? Take a tour.
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