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In addition to brain damage, weight gain, and loss of motivation and energy, marijuana use can also cause:
a) infertility b)academic failure c)smoker's cough
d)all of the above
d) all of the above, marijuana use can cause many problems, including the inability to have kids later on. Marijuana confuses the male and female hormones, causing you to have more of the opposite hormones. Males may end up developing breast tissue, women, lowered voices and hairy chins.