Fitness basics
Learning Center
Frostbite
Learn how to prevent cold injury to the skin when outdoors in freezing temperatures and how to treat and recover from frostbite.
Children and gender identity: Supporting your child
Learn how to talk to children about their internal sense of gender. Also find out how to support their gender expression and advocate for them.
How to tell if a loved one is abusing opioids
Anyone using opioids is at risk of misusing these medicines. Don't ignore signs of harmful or illegal use. Taking action could save a loved one's life.
Post-traumatic stress: How can you help your loved one?
Use these tips to help someone cope with stress from a traumatic event, whether it's acute stress disorder (ASD) or post-traumatic stress disorder (PTSD).
Baby poop: What to expect
Infant stool can have various colors and textures. Know what to expect in your newborn's diapers.
Heart rate: What's normal?
A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a problem.
Croup
This upper airway infection makes it harder to breathe and causes a barking cough. It involves swelling around the voice box, windpipe and bronchial tubes.
Common cold in babies
This viral infection causes a runny nose and nasal congestion in babies. Find out how to ease symptoms and when to see a doctor.
Thalassemia
Some forms of this inherited blood disorder usually show up before the age of 2, often causing anemia. More severe forms of the disease require regular blood transfusions.
How fit are you? See how you measure up
Find your fitness level with these simple fitness tests.
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