Nutrition basics
Learning Center
Minimally invasive heart surgery
Learn more about this surgery that uses small incisions in the chest as an option to open-heart surgery.
Meditation
Find out more about this mind-body practice and its possible health benefits.
Medical abortion
Learn what to expect when medicine is used to end a pregnancy, including side effects, risks and possible complications.
Maze procedure
Find out who may benefit from this treatment to correct a rapid and chaotic heartbeat called atrial fibrillation.
Mastectomy
Learn about this operation to remove the breast tissue from one or both breasts. Find out about risks, results and what you can expect.
Masculinizing surgery
Find out how masculinizing surgical procedures can help better align the body with a person's gender identity.
Masculinizing hormone therapy
Find out more about masculinizing hormonal treatment used to better align the body with a person's gender identity.
Magnetic resonance elastography
This newer, noninvasive imaging test is used to find out how serious certain liver diseases are.
MRI
Learn more about how to prepare for this painless diagnostic test that creates detailed pictures of the inside of the body without using radiation.
Lung transplant
Learn what's involved in this major surgery that replaces a diseased or failing lung with a healthy lung, and what you can expect after the procedure.
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