Myelin-maker: How an FDA-approved drug boosts myelin synthesis

Damage to myelin, the fatty insulator that enables communication between nerve cells, characterizes multiple sclerosis and other devastating neurological diseases. The damage doesn't come all at once: There is a "honeymoon" period during which some regeneration of myelin, called remyelination, does occur, but this ability to regenerate dissipates as the disease progresses and the patient ages.

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