Fitness basics
Learning Center
Menstrual cycle: What's normal, what's not
Learn about how to track your menstrual cycles and what any changes may mean.
Heart attack symptoms: Know what's a medical emergency
Watch for these heart attack symptoms.
Exercise: 7 benefits of regular physical activity
Improve your heart health, mood, stamina and more with regular physical activity.
Alzheimer's stages: How the disease progresses
Alzheimer's stages — common behaviors as the disease progresses.
Fitness program: 5 steps to get started
Starting a fitness program is easier than you might think. Follow these five steps.
Heartburn or heart attack: When to worry
Chest pain? Learn the potentially lifesaving difference between heartburn and a heart attack.
Treating asthma in children ages 5 to 11
Learn more about this airway condition in kids 5 to 11 years old. Get the facts on symptoms, treatments and asthma action plans.
Sexually transmitted disease (STD) symptoms
Learn about symptoms of some of the more common diseases that can be passed through sex.
Acetaminophen and children: Why dose matters
This medicine is an effective pain reliever, but an overdose can happen all too easily. Follow these tips to keep your child safe.
Female fertility: Why lifestyle choices count
Know what you can do to protect being able to get pregnant.
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