The biggest negative side effect is litigious. Most of the side effects listed are rare, but law requires listing them. Every drug, including homeopathic, has some side effect. A qualified healthcare provider determines the benefits outweigh the risks.
LOL! My wife was a theater major, and one of the one-act plays she was in was a murder-comedy. During the whole performance, the body had to lay perfectly still in the middle of the set. I nailed that role!
Angular vs linear velocity