Detailed text transcripts for TV channel - MSNBC - 20140703:23:40:00
Methylmalonicaciduria, or mma, a rare metabolic disorder. dr. james shoemaker is the founder of the metabolic screening lab at st. louis university, where he studies rare diseases such as mma. >> mma stands for methylmalonicaciduria and it's named after a chemical, methylmalonic acid. and that's a chemical that comes from food. >> in order for this chemical to be broken down properly in the body, it needs the assistance of vitamin b-12. if not enough b-12 is present, this acid builds up and can sometimes be fatal. a condition known as mma. >> the infant might be very sleepy, might not be rousa...