in health. what causes fits

If someone is fitting it means there is a underlying medical condition which is effecting their brain & causing seizures. There r a whole range of these. There r diseases such as Alzheimer is & epilepsy. Brain tumours & blood clots can also cause seizures because they can disrupt the working of the brain. There is head trauma from accidents or poisoning- seizures can be a sign of snake bites. The list goes on.

For more information see http://neurology.health-cares.net/seizure-causes.php