Gases in Earth's atmosphere absorb about 90 percent of this heat and radiate it back to the surface, which is warmed to a life-supporting average of 59 F (15 C). This very helpful process is called the greenhouse effect.
Anything that interrupts the normal connections between nerve cells in the brain can cause a seizure; this includes a high fever, low blood sugar, alcohol or drug withdrawal, or a brain concussion. Under these circumstances, anyone can have one or more seizures.
1 start on both sides of the brain at once. 2  genetic or hereditary underlying cause. 3  generalized seizures include: 4  absence seizures. 5  tonic-clonic seizures. 6  myoclonic seizures.  atonic seizures (also called drop attacks)