What is Spinal muscular atrophy?
'''Spinal muscular atrophy''' (SMA) is a serious [[Genetic disorder|genetic disease]] which causes [[nerve]]s and [[muscle]]s to stop working. This causes the baby to lose its ability to eat, walk, and also breathe.<ref>{{Cite web|date=2016-07-04|title=Spinal Muscular Atrophy / SMA (Pediatric)|url=https://www.columbiadoctors.org/treatments-conditions/spinal-muscular-atrophy-sma-pediatric|access-date=2024-05-22|website=ColumbiaDoctors|language=en}}</ref> Adults who develop the disease have Type 4 SMA, also called adult onset spinal muscular atropy. It gradually lose the ability to move their bodies. The muscle weakness is known to worsen as the patient ages. <ref>{{Cite web|url=https://ghr.nlm.nih.gov/condition/spinal-muscular-atrophy|title=Spinal muscular atrophy|last=Reference|first=Genetics Home|website=Genetics Home Reference|language=en|access-date=2020-08-06}}</ref><ref>{{Cite journal|last=Rosenfeld|first=Jeffrey|date=May 29, 2019|title=Spinal Muscular Atrophy|url=https://emedicine.medscape.com/article/1181436-overview|journal=Medscape|volume=|pages=|via=}}</ref> The typical onset is for SMA is 30 years. Spinal muscular atrophy affects 1 in 10,000 people per year. It is the most common genetic disease causing deaths of babies. One medicine helps in SMA, called [[Spinraza]], is the only treatment.<ref>{{Cite web|date=2015-12-18|title=Diseases - SMA - Top Level|url=https://www.mda.org/disease/spinal-muscular-atrophy|access-date=2020-08-06|website=Muscular Dystrophy Association|language=en}}</ref> Spinal muscular atrophy is inherited from parents who might or might not have the disease themselves but both of whom have a recessive fault ([[mutation]]) in their [[gene]]s that predisposes to the disease. Around one in 25 to one in 50 persons, depending on the country, carries a faulty gene of SMA. [[File:Spinal muscular atrophy.webm|thumb|Explanation of is spinal muscular atrophy (SMA)]] == Types == === Type 0 === It can already be observed before birth. It is the most rare and most severe form of the conditi