Superior mesenteric artery syndrome is a rare type of compression of the small intestine. It’s a treatable condition, but a delayed diagnosis can lead to more severe symptoms or even death. SMA ...

Spinal muscular atrophy (SMA) is a rare genetic disorder that causes severe muscle weakness. SMA usually affects children, and is typically diagnosed in the first 18 months of life. In its most ...

SMA syndrome occurs when two arteries compress a section of the small intestine, resulting in abdominal-related symptoms. SMA syndrome is rare, affecting less than 1% of the general population. SMA ...

Spinal muscular atrophy type 2 is less common and less severe than type 1. Symptoms typically begin within 18 months of birth. With treatment and supportive devices, people with the disease often live ...