Real-world efficiencies are generally very high, in the 90 percent range. FALSE.
Okay, this is an interesting one but mainly no, most activity's will so you don't push yourself but if you really wanted to you could go for however long you want as long as you are not doing harm to your body, depending if you are on a fitness program there will be limits.
At this time no treatment has been shown to slow or stop the progression
of Parkinson's disease. Treatment is therefore symptomatic. There is no
standard or "best" treatment for Parkinson's disease. A number of
treatment approaches help patients with Parkinson's disease.