Substance use Essay Example | Topics and Well Written Essays - 250 words - 1

Substance use - Essay ExampleOn the other hand the parasympathetic nervous system slows the heart rate, causes papillary constriction, and increases digestion. 2. List and explain leash mechanisms by which drug allowance account index occur.(One paragraph-at least 4 sentences) Drug tolerance occurs through contrasting ways in the body. Three major mechanisms of drug tolerance go down to the molecular level. It posterior occur when the degradation enzymes for a specific drug argon increased in the body and this final result in the destruction of the drug before it begins its action. In another mechanism the receptors for the drug are removed temporarily or the down regulation of receptors occurs. These receptors are necessary for the action of the drug and decreased receptors might result in drug tolerance. Enhanced excretion of the drug is the third mechanism through which tolerance to the drug occurs. Excretion of the drug increases when the tolerance to it increases. 3. Disc uss why current laws on walk self-discipline have been criticized. Include at least three of these criticisms.(One paragraph-at least 4 sentences) Current laws on crack possession have been criticized by many because the homogeneous laws for crack in the powder form are lenient. Critics put forward that crack in powder form should also be penalized in the same way as normal crack is.