Spasmodic Dysphonia: When No Words Come Out

Scott Adams is the cartoonist who gives Dilbert a voice -- a gift he wishes he could give himself. "It feels like you're being strangled from the inside out," he told ABC News' David Muir. That's right -- strangled. Adams said he literally chokes on his own words. It's a strange and isolating condition that began after what seemed like normal laryngitis. "I couldn't talk normally for over a year," Adams said. "I still don't talk normally." National Public Radio host Diane Rehm has been...Full Story