There are 3 classifications that represent a spectrum of severity. The classifications vary with respect to age of onset and life expectancy. The signs and symptoms of the disease overlap across the 3 types :
- Type 1, also called Infantile, most severe, most common
- Type 2, includes Late Infantile and Juvenile
- Type 3, Late or Adult Onset, thought to occur mainly in Japan, often misdiagnosed as Parkinson’s
The brain is the control center for the body. The body can not function properly with a brain under attack. Seizures eventually consume the mind and body. Many of the children succumb to pneumonia due to weakened immune systems and respiratory complications after a prolonged fight for their lives.