Methylsulfonylmethane (MSM) is a sulfur-containing compound found in plants, animals, and humans. It can also be made in a lab into a dietary supplement, which is used widely in alternative medicine.

Joni Mitchell was hospitalized this week, but the songwriter has been sick for years. She has described her debilitating illness as “a slow, unpredictable killer–a terrorist disease. It will blow up ...

Morgellons disease causes black, white, red, or blue fibers to appear under the skin or protrude from it. People may also feel like something is crawling under their skin. The exact cause is unclear, ...

Methylsulfonylmethane (MSM) is a naturally occurring compound in foods such as fresh vegetables, meat, and dairy products. MSM provides a source of natural sulfur. MSM may be beneficial for joint pain ...

Morgellons disease is a controversial and poorly understood condition in which people believe they have unusual thread-like fibers under the skin. Someone with Morgellons disease may feel like ...