I had a brain seizure while driving, because I was fasting.I'd never had a seizure before. At the ER, they determined that it was due to dehydration and a lack of electrolytes, due to my fasting.(update)Here's a better description of the cause of the seizure.Exercising while fasting caused an acute ATP shortage in the skeletal muscles. Without ATP the cell's calcium pumps shutdown, leading to cascading muscle cell death due to Hypocalcemia. This life-threatening condition is called Rhabdomyolysis, and was accompanied by increased dehydration, electrolyte deficiencies, acute kidney failure, & uremic encephalopathy, and gout. It was the encephalopathy which caused my seizure while driving.