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How Duchenne Progresses
Boys with Duchenne may develop later than children of the same age—for example, speaking, sitting up, and walking. Cardiac problems eventually occur with Duchenne and may start early or during the teenage years.
Typically, boys with Duchenne lose their ability to walk between the ages of ten and fourteen. By their late teens, young men lose the strength in their upper bodies, including the ability to move their arms. Also during their teenage years, young men with Duchenne usually need help with breathing at night.
Over time, their breathing or respiratory systems weaken, and they require constant support. Young men with Duchenne typically survive into their twenties or early thirties.
While there’s currently no cure, with informed and timely treatment, boys with Duchenne can maintain their independence, walk, and live longer than ever before.
The rate of progression and severity of symptoms are different for each boy, but there are four stages usually associated with Duchenne.
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