Should a skeletal muscle go into spasm, the best advice is usually just to stretch and massage the affected muscle until any acute pain is relieved. If there has been some damage to a muscle, a brief use of pain meds, or the use of muscle relaxants for chronic cases is generally recommended, however instead of just masking the symptoms, the cause of ongoing muscle spasms should be isolated and resolved... Full Text

Manganese may help with some symptoms of Parkinson's disease such as muscle rigidity and twitching...
Research shows that phytosterols such as beta-sitosterol may help normalize the function of natural killer cells and T-helper lymphocytes...
Iron deficiency may be suspect with some forms of ADHD. 84% of children with ADHD were found to have abnormally low levels of ferritin...
A high intake of B Vitamins can trigger heart palpitations, HBP, major complications in patients with congestive heart disease...