a. because id she keeps excerising more and more she could pass out, get a heat stroke, or could possibly get cardiovascular diases sorry i just woke up so if i spelt anything wrong please tell me
These substances are metabolized by the liver. Stimulants elevate the mood, depressants slower down the activity of the brain, and body. Once they are taken inside the body, they reach the specific target organs, act at the site, and the debris is metabolized by the liver and thrown out.
Answer: That's a conspiracy theory, probably not true.