Crossword Puzzle #3 - Motivations for Drugs Use

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Across
  1. 4. Nutritional supplement shown to be slightly effective for improving an athlete's performance during bursts of short-term energy.
  2. 5. Physical signs that appear upon ceasing drug use.
  3. 7. Drug _________: Recurring desire for drugs based on a psychic or a physical need.
  4. 8. Any substance that increases sexual desire and performance.
  5. 10. __________ reinforcement: Pleasurable sensations associated with a behavior, motivating primary reinforcers.
  6. 11. Stimuli or events that lead to certain behaviors being repeated.
Down
  1. 1. __________ reinforcement: Relief or avoidance of pain achieved by a behavior, motivating one to repeat the behavior.
  2. 2. _________ aids: Substances that provide an athletic advantage.
  3. 3. Nutritional supplement that is a precursor to testosterone.
  4. 6. Drug _________: Continuing desire for drugs based on a physical need.
  5. 9. Injectable combination of heroin and cocaine.
  6. 12. Ingesting or injecting several steroids at the same time.