It helps by you understanding what you need to pepare for life's greatest mysterys
Answer:
Social components influencing addiction include, though not exhaustively, neighbourhood crime, availability of the substance, tolerance and acceptance of drug use and poor support from community and society in battling the problem [6].
What are the physiological effects of drugs?
They speed up messaging to and from the brain, making you feel more alert and confident. This can cause increased heart rate, blood pressure and body temperature, reduced appetite, agitation and sleeplessness. In large amounts stimulants may cause anxiety, panic, seizures, stomach cramps and paranoia
Explanation:
It means you are dehydrated
He could make sure he exercises regularly to keep the blood flow pumping to his heart, he can eat healthy so that he does not have a lot of fat build up in his arteries and he can also stay away from smoking to keep his body functioning properly.
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I think it might be flexing. First you tense, which is the flex, then you relax.