Mayo Clinic diet
Learning Center
Molecular breast imaging
Learn about this breast cancer screening test that's sometimes used in addition to mammograms, especially for those with dense breast tissue.
Mohs surgery
Find out what to expect during this skin cancer surgery that involves removing thin layers of skin until only cancer-free tissue remains.
Mitral valve repair and mitral valve replacement
If you have a leaky or stiff mitral valve, you may need heart surgery. Learn about the different procedures used to repair or replace this valve.
Minimally invasive surgery
Learn more about laparoscopy or robotic surgical techniques, which may mean less pain and a shorter hospital stay.
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.
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