New Delhi, Oct. 6 -- Dystonias are rare neurologic disorders that cause the muscles to contract involuntarily and bring about repetitive or twisting movements. The condition can either affect specific parts of your body or the whole and cause painful muscle spasms which can interfere with your day-to-day tasks.

Causes of dystonia

While some cases of dystonia are genetic and may run in families, others result from environmental factors, such as exposure to toxins, damage to the brain, or the use of some medications. In many cases, the cause of the disease is not clear. The rare condition has no cure; however, medications and therapy can help manage the symptoms. In some cases, surgery is used to regulate or disable certain regions of the...