Becker muscular dystrophy (BMD) is a type of muscular dystrophy, a genetic condition that weakens and damages muscles. It can worsen with age. However, its symptoms are less severe than those of ...
More than 30 rare muscular dystrophy types cause progressive muscle weakness from inherited gene mutations. Combined, they affect about 1 in 5,000 to 8,000 people. Common subtypes vary by age of onset ...
Duchenne muscular dystrophy (DMD) is the most common and one of the most severe types of muscular dystrophy. Symptoms usually start between ages 2 and 6, and muscle weakness worsens quickly. DMD ...