Claresa Fisher, 57, hasn't had a good night's sleep in the past eight years.
Fisher said the intense burning through her chest and shoulders was caused by a hiatial hernia, a condition brought on by heartburn and acid reflux.
"Tossing and turning, just fatigue and pain that became part of your daily life," said Fisher. "It was grinding away at me."
Like Fisher, nearly 20 percent of Americans live with acid reflux, according to the National Institutes of Health. But now one of the largest...Full Story