You know that your friend jeffrey's wife has left him and that a big corporation has just bought his company, putting his job in jeopardy. you stop over at jeffrey's apartment after work one evening and notice that he is gulping coffee and chain-smoking cigarettes. he explains that the stress is getting to him and that he's had trouble sleeping. because you've read the advice in "minimizing the effects of stress," you know that common stimulants like nicotine and caffeine:
