"Think about all the bottles in your medicine cabinet — things you take every day, like aspirin, antihistamines, prescription drugs. What happens to those medications once they leave your body?
Eventually, they end up in our water supply, where they can have unfortunate effects on wildlife. Birth control, for example, is known to disrupt the development of frogs and alligators.
Now, scientists say Prozac in the water is affecting certain kinds of shrimp. No, the antidepressant doesn't make them calm and cheerful. In fact, these shrimp, when exposed to Prozac, may be more likely to put themselves in mortal danger."