Which of the following statements correctly contrasts Alzheimer's and Parkinson's Disease? O Parkinson's affects primarily the systems in the brain that affect movement while Alzheimer's affects other systems first.

O Parkinson's causes tangles of damaged neurons while Alzheimer's causes overall atrophy of the brain.

O Alzheimer's affects only individuals over 70 while Parkinson's can strike at any age.

O Alzheimer's is a neurological disorder while Parkinson's is a physical one.

Alzheimer's is a neurological disorder while Parkinson's is a physical one.

Explanation:

these are common warning signs of overtraining syndrome:

washed-out feeling, tired, drained, lack of energy

mild leg soreness, general aches, and pains

pain in muscles and joints

sudden drop in performance

insomnia

headaches

decreased immunity (increased number of colds, and sore throats)

decrease in training capacity/intensity

moodiness and irritability

depression

loss of enthusiasm for the sport

decreased appetite

increased incidence of injuries.

a compulsive need to exercise