Nutritional supplements
Learning Center
Belly fat in men: Why weight loss matters
Belly fat can be dangerous. Understand why and how to get rid of it.
Belly fat in women: Taking — and keeping — it off
Belly fat is more common after menopause. Find out why and learn how to keep it off.
Bicuspid aortic valve
This condition, present at birth, affects the valve between the lower left heart chamber and the body's main artery. Know the symptoms and treatment.
Bioidentical hormones: Are they safer?
There's no evidence that bioidentical hormones are safer than standard hormone therapy for menopause.
Bipolar disorder and alcoholism: Are they related?
These disorders often occur together, and they can be a dangerous mix. Having both conditions makes mood swings, depression, violence and suicide more likely.
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.
Birth control pills: Harmful in early pregnancy?
If you took birth control pills before you knew you were pregnant, the risks of birth defects are low.
Birth control: Can preejaculation fluid cause pregnancy?
This possible cause of pregnancy makes withdrawal a method of birth control you cannot rely on.
Birthmarks
Learn to identify types of birthmarks by how the skin looks. Examples include café au lait spot, congenital nevus, port-wine stain and hemangioma.
Birthmarks
Learn to identify types of birthmarks by how the skin looks. Examples include café au lait spot, congenital nevus, port-wine stain and hemangioma.
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