In-depth

Tests and diagnosis

Genetic testing

Genetic testing is used to detect altered genes that may cause illness or disease. Although genetic testing can offer important health information, it has limitations.

Skin biopsy

Find out what you can expect during a skin biopsy.

Treatments and drugs

Gene therapy

Gene therapy is an experimental treatment that involves altering genes in a person's cells to stop disease.

Stem cell transplant

Aug. 22, 2014

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