Fitness basics
Learning Center
Giant cell arteritis
Head pain and tenderness are the most common symptoms of giant cell arteritis, an inflammation of the lining of your arteries.
Easy bruising: Why does it happen?
Get the facts about easy bruising. Learn about causes and find out when it's a sign of a problem.
Exercise and chronic disease: Get the facts
Find out about the benefits of working out with a long-lasting disease and how to exercise safely.
Home birth: Know the pros and cons
Understand the possible risks and how to plan and prepare for a home birth.
Forgiveness: Letting go of grudges and bitterness
Forgiveness and letting go can lead to healing and peace.
Triglycerides: Why do they matter?
Like cholesterol, triglycerides can cause health problems. Here's how to lower your triglycerides.
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.
Transgender facts
Know the basics about sex and gender, including common terms and definitions.
Exercise and illness: Work out with a cold?
Play it smart. Ease up on exercise if you have a cold.
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