As a drug user develops a tolerance to a drug, it becomes easier to get high with a smaller amount of the drug?
a. true
b. false

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

There is only one copy machine at your office. you have to make 1000 copies of an expense report. after you begin copying, two other employees show up in the copy room. each has to make only 10 copies each. what is the proper etiquette in this situation?

Wjat are substances intentionally added to food to produce a desired effect?