C.Ecstasy
Ecstasy <span>is a synthetic drug that alters mood and perception. It is chemically similar to both stimulants and hallucinogens by stimulating increased energy and pleasure. Along with creating a distorted sense of sensory and time perception.</span>
<span>The question says,'a person metabolism remain constant throughout life. The statement is false. Metabolism is the sum total of all the chemical activities which occur in the body in order to sustain life. Many factors affect metabolism per time, these include: physical activities, hormonal imbalances, age, disease conditions, pollutants, toxins, lack of essential nutrients, dehydration, etc. </span>
Rulon Gardner was the champion i believe if that is what you are asking.