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Hyperbaric oxygen therapy
This type of therapy is a well-known treatment for decompression sickness, but it has many surprising uses. Find out about why and how oxygen can heal the body.
Hypnosis
Find out about this changed state of awareness and the conditions it may help.
Intragastric balloon
An intragastric balloon is a silicone balloon filled with saline. It's inserted into the stomach to create a feeling of fullness and aid in weight loss.
Intravenous pyelogram
An intravenous pyelogram is an imaging exam that may be used to help diagnose urinary tract disorders. Learn what to expect during the exam.
Laser hair removal
Laser hair removal uses a concentrated beam of light to reduce unwanted hair long term.
Liver biopsy
Examining liver tissue can be a vital step in diagnosing and treating many liver conditions. Find out what to expect from this important procedure.
Liver function tests
Liver function tests can help determine how well your liver is doing its job. Find out what to expect and what results are considered standard.
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.
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.
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