![Learn more about Ernie's story.](https://dam.upmc.com/-/media/upmc/testimonials/pulmonology/ernie.png?rev=f75dfdc6b5b34044aef4e006299c655c&la=en&h=277&w=370&hash=F47E1C3B8AC8F05451DCBCA300F6929D)
At age four, Ernie Johnson was diagnosed with Duchenne Muscular Dystrophy (DMD), a condition that causes muscle weakness and breathing difficulties. Following his diagnosis, Ernie’s condition was managed by UPMC physicians across specialties, including pulmonology, cardiology, and neurology. Now at 40 years old, Ernie continues to receive care at UPMC and is doing well.