Steven, 14, is like most other teens. He's an athlete who loves Italian food and hanging out with his friends. And even though he's got a condition that makes it hard to get around, he doesn't let that stop him from doing the things he loves to do. Back to Articles Related Articles Spinal Muscular Atrophy (SMA) Spinal muscular atrophy (SMA) is a condition that causes muscle weakness and atrophy. There's no cure, but therapy and other treatments can help most people who have SMA. Read More Wheelchairs Wheelchairs are a way for some people to be independent, despite illnesses or injuries. Find out more in this article for kids. Read More Spinal Muscular Atrophy: Steven's Story (Video) Steven was diagnosed with SMA when he was 3. Here's a look at his life today and why he says, "When someone tells you you can't do something, don't be afraid to try something new." Read More Steven's Story: Power Player Meet Steven. He's 14 and has spinal muscular atrophy. He shares his struggles and successes in this video. Read More Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.