Maple syrup urine disease (MSUD) is a
Causes, incidence, and risk factors
Maple syrup urine disease (MSUD) is caused by a gene defect. Persons with this condition cannot break down the
In the most severe form, MSUD can damage the brain during times of physical stress (such as infection, fever, or not eating for a long time).
Some types of MSUD are mild or come and go. Even in the mildest form, repeated periods of physical stress can cause