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What is SMA?

Spinal muscular atrophy (SMA) is a rare genetic disease in which nerves are lost causing weakness of the muscles. This occurs because special nerve cells in the body that control muscle movement, called motor neurons, deteriorate and stop working.

About Spinal Muscular Atrophy (SMA)

What is SMA

What is SMA?

SMA is a rare genetic disease in which nerves are lost causing weakness of the muscles.
 

The signs of SMA

The signs of SMA

All babies develop differently, but developmental delays and other symptoms can be signs of SMA.

Talk to your Doctor

Talk to your doctor

SMA is a disease which progresses quickly, so every day matters.
 

Patient stories

SMA stories

Hear from caregivers about their journey caring for a SMA patient.