C. Carbohydrates :)
Hope it makes sense!
Answer:
Caffeine is a central nervous system stimulant of the methylxanthine class. It is the world's most widely consumed psychoactive drug. Unlike many other psychoactive substances, it is legal and unregulated in nearly all parts of the world. There are several known mechanisms of action to explain the effects of caffeine.
Cocaine is a tropane alkaloid and stimulant drug obtained primarily from the leaves of two coca species, Erythroxylum coca and Erythroxylum novogranatense. It is most commonly used as a recreational drug and euphoriant
Amphetamine is a central nervous system stimulant that is used in the treatment of attention deficit hyperactivity disorder, narcolepsy, and obesity. Amphetamine was discovered in 1887 and exists as two enantiomers: levoamphetamine and dextroamphetamine.
They can always refer to the guidelines that created by the American Medical Association or Research group such as American Heart Association. Those two organization have been proven to deliver researches result with a really high credibility. By using the guideline, they can determine whether the patient need the medication or not
Answer:
Look up cancer and see what it does to your immune system...
Explanation:
The middle part of the Dutton
