If a person has a chronically high serotonin level, receptors will adjust to become less sensitive

You notice that your pregnant friend just lit a cigarette and you ask her, "What the heck are you doing?" Your friend replies that her doctor said that it was okay to smoke during pregnancy. Which of the following statements should be your reply?

a. "There are known side effects to smoking and no responsible physician would tell you that you can smoke if you are pregnant." b. "Okay, research has shown that smoking is harmless." c. "Most physicians would recommend that you wait until the third trimester to begin smoking again." d. "That makes sense; smoking is harmful if it is secondhand smoke."

Aversion therapy has been used to successfully treat all of the following EXCEPT

a. smoking, gambling, and alcoholism. b. hiccups, sneezing, and vomiting. c. stuttering, nail-biting, and bed-wetting. d. acute stress and post-traumatic stress disorders.