I don't see what the "following" is but what ever it is the answer is most likely abstinence.
The what now? I'd answer that if you told me what it was.
Answer:
True
Explanation:
Dopamine has long been considered the major culprit in causing Parkinson's disease, a degenerative disease that may begin as a barely noticeable hand tremor but over time interferes with movement.
Explanation:
Methamphetamine alters brain structures involved in decision-making and impairs the ability to suppress habitual behaviors .
