Weight-loss basics
Learning Center
Autologous stem cell transplant
Understand this type of bone marrow transplant that uses your own blood stem cells to treat blood disorders and cancers.
Awake brain surgery
Awake brain surgery is performed while you are awake and alert. This type of brain surgery may be used to treat some brain tumors or epileptic seizures.
BRCA gene test for breast and ovarian cancer risk
Find out what to expect if you're considering a blood test to determine if you have an increased risk of breast cancer. Learn what your results might mean.
Bariatric surgery
Bariatric surgery can be a helpful weight loss tool — but it's not for everyone. Learn about available procedures and the risks and results of surgery.
Barium enema
Find out how to prepare and what to expect if your doctor has recommended a barium enema.
Basal body temperature for natural family planning
Learn the steps for tracking body temperature for pregnancy or contraception. Find out when during your menstrual cycle you're more likely to be fertile.
Biliopancreatic diversion with duodenal switch (BPD/DS)
Learn about a two-part weight-loss procedure that involves making the stomach smaller and reconnecting parts of the small intestine.
Bilirubin test
Find out what to expect from a bilirubin test — an important blood test that determines how your liver is functioning.
Biofeedback
This technique teaches you to control your body's functions, such as your heart rate and breathing patterns. It can be helpful for a variety of health problems.
Birth control patch
Learn how to use this type of birth control that delivers estrogen and progestin through a patch you wear on your skin to prevent pregnancy.
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