I am good friends with a woman with Parkinson’s disease. When I see her, I feel grateful that this is the most exciting time in history for medical advancements. The drugs she is taking clearly are extending her good “on” time so that she has extended periods during the day when she can function with daily activities. I also have seen the difference between good “on” time and “off” time, when the medications start wearing off.
Source: Drug Industry Daily