11 Fast Facts About Spinal Muscular Atrophy


  • Between one in 35 to one in 40 people carry the SMA gene. If you and your partner have the gene there is a one in four chance your child will have SMA.
  • SMA affects males and females equally and has no ethnic bias.
  • While there is currently no cure for SMA, the National Institute of Health is confident that a cure will soon be found.
  • The faulty genes responsible for SMA are the SMN1 and SMN2 gene.

Find out more about the role of SMN genes in spinal muscular atrophy here. 

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