Diet pills, supplements and surgery
Learning Center
Laryngotracheal reconstruction
Laryngotracheal reconstruction surgery — Comprehensive overview covers why it's done and what's involved with the procedure.
Liver transplant
Learn what to expect before and after this important treatment option for patients with liver failure.
Living-donor kidney transplant
Find out more about living-donor kidney transplant, an option instead of deceased-donor kidney transplant.
Living-donor liver transplant
Learn about this surgery that uses a portion of a liver from a healthy living donor to replace another person's liver that's not working properly.
Living-donor transplant
This surgery uses a living donor's organ, such as a kidney or portion of a liver, to replace another person's organ that no longer works properly.
Lumbar puncture (spinal tap)
Learn about lumbar puncture, which removes a sample of cerebrospinal fluid to find infections, bleeding and other conditions. It also is called a spinal tap.
Lumpectomy
Learn what to expect from this breast-conserving surgical procedure.
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.
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.
Meditation
Find out more about this mind-body practice and its possible health benefits.
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