Aerobic exercise
Learning Center
Thumb sucking: Help your child break the habit
Find out when and how to help your child stop thumb sucking.
Cold medicines for kids: What's the risk?
Cold medicines aren't recommended for young children. Here's why.
Treating asthma in children under 5
Learn more about this breathing condition in children younger than 5 years old. Get the facts on symptoms and which treatment options may work best.
Potty training: How to get the job done
Your guide to potty training basics, including when to start and what to do.
Aerobic exercise: How to warm up and cool down
Learn how to warm up and cool down the safe way.
STD testing: What's right for you?
Find out how your risk factors affect the types of tests you'll need for sexually transmitted infections (STIs).
Cancer blood tests: Lab tests used in cancer diagnosis
Blood tests used to help diagnose cancer include CBC and tumor marker tests. Other tests and procedures are needed to confirm a cancer diagnosis.
Exercise intensity: How to measure it
To get the most out of exercising, aim for moderate to vigorous exercise intensity. See how to judge your exercise intensity.
Walking: Make it count with activity trackers
If walking is your main form of physical activity, see how activity trackers can help you set and achieve your fitness goals.
10,000 steps a day: Too low? Too high?
Work up to a goal of walking 10,000 steps each day, depending on your starting fitness level, for numerous health benefits.
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