Hi !
Stimulants, such as cocaine, nicotine, and amphetamine, <em>increase the activity of the sympathetic nervous system, the central nervous system, or both. </em>
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(psychoactive drugs :
Drugs that act on the nervous system to alter consciousness, modify perception, and change mood.)
Drama! drama plays allow children to be creative and understand how people are different. it allows them to pretend and act out someone elses life.
The answer would be : can be caused by environmental toxins.
Hope this helps!
Diabetes has been tied to obesity rates
