Quit-smoking basics
Learning Center
Is hydroxychloroquine a treatment for COVID-19?
Hydroxychloroquine does not treat coronavirus disease 19 (COVID-19) or prevent infection with the virus that causes COVID-19.
Iron deficiency anemia during pregnancy: Prevention tips
Are you getting enough iron? Know how to spot the symptoms of iron deficiency anemia during pregnancy and how to prevent it.
Insulin and weight gain: Keep the pounds off
Understand why weight gain is linked to insulin treatment, and find out how to dodge those extra pounds while still managing your blood sugar.
Insomnia treatment: Cognitive behavioral therapy instead of sleeping pills
If you find it hard to fall asleep or stay asleep, or you have other long-term sleep problems, behavior therapy can help. Learn what's causing your sleep problems.
Inducing labor: When to wait, when to induce
Find out who can benefit from getting the uterus to contract to start labor and why.
How your brain works
Which part of your brain does what? Take a tour.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
How to take your temperature
Learn how to get an accurate temperature reading at home, using common types of thermometers.
How to take your pulse
Learn two ways to take an accurate pulse, or heart rate.
How to measure your respiratory rate
Learn how to accurately measure your breathing rate, which is also known as your respiratory rate.
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