Dan Doctoroff
The David Rubenstein Show
00:00
The Evolution of ALS
"I never wanted to be tested because I didn't want to have to tell my kids if I tested positive," he says. "There had been virtually no progress for 140 years from the time it was discovered in 1870" He hired a team of scientists to understand why there was so little progress made in the disease, and they came up with theories.
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