Answer:
Pickleball requires the serve to be below the waist.
Answer: Alzheimer's affects only individuals over 70 while Parkinson's can strike at any age.
Parkinson's affects primarily the systems in the brain that affect movement while Alzheimer's affects other systems first
They are essential nutrients to the body
If you had given choices, it would of been easier to narrow down but I'd say like watching TV or sitting on your computer/phone, etc
