Stereotypic movement disorder is a motor disorder that develops in childhood, typically before grade school, and involves repetitive, purposeless movement. Examples of stereotypic movements include ...

Rebecca Ellis does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Mother’s thumb, or “mommy’s thumb,” is a condition that causes pain at the base of the thumb. The condition typically occurs due to repetitive hand movements or overuse of the thumb and wrist. Anyone ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...