Http://www.livescience.com/34128-limits-human-survival.html
True, atherosclerosis is the chronic build up of atheromas (fatty plaques in vessel walls) which can rupture and lead to occlusion or obstruction downstream causing heart attack (blocking heart muscle) or stroke (blocking brain tissue).
The answer is true.
Initially a person enjoys the physical and emotional response, as time goes on they need more of the drug just to feel "normal". They are always seeking the same feeling as the first high.
When you sweat , you get hot , and that means that your body heat increases. And when you're cold , your body heat decreases and makes you shiver ..
Hope this helped :)