Manlius: Family struggles with fate of twins

"Or a treatment," added Alison.

For more information on DMD, visit parentprojectmd.org. To make a contribution, go to the same web site and click on How Can I Help? Or visit cnylink.com -- a link to the PPMD Donation Center has been set up for anyone who would like to make a donation.

Duchenne Muscular Dystrophy

Definition: One of nine types of muscular dystrophy, a group of genetic, degenerative diseases primarily affecting voluntary muscles.

Cause: An absence of dystrophin, a protein that helps keep muscle cells intact.

Onset: Early childhood - about 2 to 6 years.

Symptoms: Generalized weakness and muscle wasting first affecting the muscles of the hips, pelvic area, thighs and shoulders. Calves are often enlarged.

Progression: DMD eventually affects all voluntary muscles, and the heart and breathing muscles. Survival is rare beyond the early 30s.

Inheritance: X-linked recessive. DMD primarily affects boys, who inherit the disease through their mothers. Women can be carriers of DMD but usually exhibit no symptoms.

Source: mdausa.org/disease/dmd.html

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