Wow.....where to begin. I think the only real reason any doctor would prescribe Clen is for an abstruction in the airway....basicly meaning that you have trouble breathing. It was first used in cattle many years ago and then it was determined that it could be used in humans as well. In terms of action this drug is best compared to ephedrine and ma huang. All of them operate mainly by increasing the manufacture and secretion of catabolic hormones known as cathecholamines (like dopamine, epinephrine (adrenaline) and norepinephrine (noradrenaline)) which are secreted from the adrenal glands. Now these hormones have a wide variety of functions. First of all they seem to alter the contractile characteristics of smooth muscle, but very specifically. Some will apparently be stimulated, and others inhibited. Amongst those inhibited, the smooth muscles in the bronchial tree (your lungs), which explains its soothing effect in patients with breathing problems. What it also does is increase thermogenisis. This usually encompasses a rise in blood pressure, a stimulatory effect of the heart muscle and a resulting rise in body temperature. Which would explain why bodybuilders love this shit. The downside to this effect is that there is a rise in the rate of protein being burned. Where fat is robbed from the fatty tissue in the body, protein is generally robbed from the muscle. This sucks for someone who is trying to keep those extra pounds of beef while dieting...but that is also why you keep your protein intake very high while dieting. Im sure you knew some of this stuff allready. Hope this helps.
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