How long should I keep tax returns? In most cases, you should plan on keeping tax returns along with any supporting documents for a period of at least three years following the date you filed or the due date of your tax return, whichever is later.
Myoclonus. These are shock-like, jerking movements. They may occur naturally during sleep, or at moments when a person is startled. However, they can also be due to serious underlying health conditions, such as epilepsy or Alzheimerâs.
Overview. 1  The bodyâs movements are generated from an elaborate interaction between brain, spinal cord, nerves and muscles. Most muscle movements are voluntary, although the thoughts or stimuli that generate them are sometimes unconscious. 2  Seizures are one of the most common medical conditions that generate abnormal body movement.