Although hurricane strikes are rare on St. Martin and Sint Maarten, it is during these months that the island experiences the most rainfall. The island receives an average of 40 inches of rainfall a year.
Muscular dystrophy refers to a group of genetic diseases marked by progressive damage to and weakness of facial, limb, breathing, and heart muscles. It is due to a lack of key protein. Find out more about the types, symptoms, and treatment.
Back to Top Causes. Duchenne muscular dystrophy is a form of muscular dystrophy that worsens quickly. Other muscular dystrophies (including Becker's muscular dystrophy) get worse much more slowly. Duchenne muscular dystrophy is caused by a defective gene for dystrophin (a protein in the muscles).However, it often occurs in people without a known family history of the condition. Because of the way the disease is inherited, boys are affected, not girls.uchenne muscular dystrophy is caused by a defective gene for dystrophin (a protein in the muscles). However, it often occurs in people without a known family history of the condition. Because of the way the disease is inherited, boys are affected, not girls.