It can be a chemical imbalance in the brain, a traumatic event, bad home life, etc.
Parkinson's disease is a deficiency of the neurotransmitter dopamine. Dopamine is responsible for how the brain deals with stress, especially the fight-or-flight response. Thus, it affects greatly on the movements of the body. Also, dopamine is responsible for information processing. That is why people with Parkinson's disease have trouble in retaining their memories or be in deep concentration.
B Fitness workers provide instruction in aerobic exercise, strength training, and stretching.
Job Loss , due the the incline of federal help. ( food stamps , SS money) don't quote me on that though
Four times greater.
Laws of physics state that force will always be the result of the square of the speed. For example, if you tripled the speed the impact would be 9 times.