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.
Convulsions, also sometimes called seizures, are a medical condition in which a personâs body appears to shake in an uncontrollable manner. When a person experiences them, his or her muscles quickly contract and relax repeatedly.This is what causes the appearance of rapid shaking movements.onvulsions, also sometimes called seizures, are a medical condition in which a personâs body appears to shake in an uncontrollable manner. When a person experiences them, his or her muscles quickly contract and relax repeatedly.