Juvenile dermatomyositis is one of the rarest and most biologically complex autoimmune conditions affecting children. If your child has been diagnosed — or if you spent months trying to get a diagnosis confirmed — you already know how disorienting this experience can be.

Living with Emery-Dreifuss Muscular Dystrophy, or caring for someone who does, puts you in a particular kind of uncertainty. The early contractures in the ankles, elbows, and neck, the slowly progressing humeroperoneal weakness, and then — often without much warning — the cardiac complications that carry the highest risk to life.

Limb-girdle muscular dystrophy is not a single disease. It is a family of more than 30 genetically distinct conditions that share one outcome: progressive weakness of the shoulder and hip muscles that, over years or decades, erodes independence.

Facioscapulohumeral muscular dystrophy (FSHD) is not a simple genetic disease. Unlike conditions where a gene is broken or missing, FSHD is caused by a gene that should be permanently silent — waking up in tissue where it has no business being active.