This discovery sheds light on a disorder that causes seizures, developmental delay, decreased muscle tone, and defects in myelination — a process vital for the protection and insulation of nerves in the brain This discovery sheds light on a disorder that causes seizures, developmental delay, decreased muscle tone, and defects in myelination — a process vital for the protection and insulation of nerves in the brain Health Health News, Wellbeing Tips, Diseases, Treatment and Nutrition | The Hindu