How are coca paste, freebase, crack, and ice similar?

1. How are coca paste, freebase, crack, and ice similar?

2. What similarities and what differences are there in the toxic effects of cocaine and amphetamine?

3. How does the chemical difference between methamphetamine and amphetamine relate to the behavioural effects of the two drugs?

4. Compare the dependence potential of cocaine with that of amphetamine

 

1. At  about  what  periods in history did cocaine reach its first and second peaks of popularity, and when was amphetamine’s popularity at its highest?

2. Contrast the typical  “speed freak”  of the 1960s with the typical cocaine user of the early 1980s and with our stereotype of a modern crack smoker.