Fitness basics
Learning Center
Early miscarriage: Is stress a factor?
Early miscarriage is usually caused by an abnormality with the baby — not maternal stress.
Hypertrophic cardiomyopathy
In this condition, the heart muscle thickens, which makes it harder for the heart to pump blood. Learn about the causes and treatment.
Osteosarcoma
Learn about the symptoms and causes of this bone cancer that happens most often in children. Find out about treatments, including limb-sparing operations.
Keratoconus
When your cornea bulges outward, it can cause blurry vision and make your eyes sensitive to light. Find out about symptoms, causes and treatment for this eye condition.
Cryotherapy for prostate cancer
Find out how very cold temperatures are used to freeze tissue and treat prostate cancer. Learn about the side effects and potential benefits of cryotherapy.
Hydrocele
Find out more about the symptoms, causes and treatments for this swelling in the scrotum.
Birth control pill FAQ: Benefits, risks and choices
The birth control pill is surrounded by misinformation. Get the facts on common concerns and questions about taking the pill.
Heart disease in women: Understand symptoms and risk factors
Heart disease and heart attack symptoms may be different in woman than in men. Know the warning signs and learn ways to protect your heart.
Nutrition for kids: Guidelines for a healthy diet
See the current children's nutrition recommendations for protein, carbohydrates, more.
Abnormal sperm morphology: What does it mean?
Abnormal sperm morphology may be a contributing factor in male infertility.
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