Infantile type neuronal ceroid lipofuscinosis is a rare genetic disorder that affects the nervous system, causing it to deteriorate. It is caused by a genetic mutation in the CLN3 gene, which encodes for an enzyme called palmitoyl protein thioesterase-1 (PPT1). People with infantile type neuronal ceroid lipofuscinosis have too much lipofuscin in their brains, spinal cords, and other organs at birth or soon after.  Read More

The symptoms of narcolepsy most commonly begin between the ages of 10 and 25. They may worsen for the first few years, and then continue for life. They include: Excessive daytime sleepiness. People with narcolepsy fall asleep without warning, anywhere, anytime. For example, you may suddenly nod off while working or talking with friends. You may sleep for a few minutes or up to a half-hour before awakening a  Read More