In 2006, everything slowed down for Warner Robins High junior Ryan Prior.
"Just walking a couple hundred yards was hugely, hugely draining," he says. It was a big change of pace for the student council president and multi-sport athlete.
After months of low energy, muscle pain, and mental fogginess, doctors still couldn't nail down a cause.
"I had to see an infectious disease specialist, a couple rheumatologists, an endocrinologist, neurologist, psychiatrist, a pretty long list of people. They were ruling out things like Meningitis, Multiple Sclerosis, HIV/AIDS, brain tumors, cancer," says Prior.
After all of that, the only diagnosis they landed on was Chronic Fatigue Syndrome.
Doctor Richard Jones from Macon says it's a diagnosis of exclusion. "Many doctors don't like it," he explains. "The bottom line is it's a problem for doctors; it's a problem for patients. In other words, there's no easy answer."