Melinda was diagnosed with Juvenile Myositis (JM) in Jan 2016. Melinda is only 10 years old and went from being a star gymnast to now relying on a wheelchair. Juvenile Myositis (JM), a life-threatening disease which causes the body’s own immune system to attack healthy cells and tissues. It can cause pain, weakness, inability to walk and disfigurement. It can affect virtually any system of the body, the heart, lungs, skin, muscles, and more.