Let’s pretend that Kanye West is a long-term drug user. As a…

Let’s pretend that Kanye West is a long-term drug user. As a result of his chronic use, his behavior and functioning have completely changed. He is very paranoid, he experiences tactile hallucinations (e.g., he feels like bugs are crawling on his skin), and he engages in repetitive and purposeless behavior like constantly sorting and resorting his silverware drawer. What drug has Kanye probably been using?

The Constant Blood Level Theory is one of the major theories…

The Constant Blood Level Theory is one of the major theories to explain continued nicotine use. Though this theory has some support, there is a major piece of evidence against it to indicate that it does not fully explain the extent of nicotine use. Which of the following is a valid argument against the Constant Blood Level Theory?