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Understanding Stimulants: A Biology Teacher's Guide to Drug Abuse and Addiction

This comprehensive guide by Dr. Edward Ogden explores the impact of stimulants, focusing on their prevalence, effects, and the neuroscience behind addiction. It highlights alarming statistics about stimulant use, particularly in Australia, where 9.1% of the population has used these drugs. The guide addresses the risks of HIV and STD among users, the high incidence of psychosis, and the crucial need for better understanding and preventive measures. It emphasizes that drug abuse is preventable and addiction is treatable, urging educators to engage with these critical issues.

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Understanding Stimulants: A Biology Teacher's Guide to Drug Abuse and Addiction

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Presentation Transcript

  1. Speed, Ice & Madness A biology teacher’s guide to the stimulants in 2006 Dr Edward Ogden PSM MA MBBS BMedSc GradCertMgt FRACGP FAChAM

  2. NIDA’s mission is to bring the power of science to bearon drug abuse and addiction.

  3. Prevalence • World wide use estimated 0.6% of population • Australia has highest prevalence in the world! • 9.1 % used at some stage • 3.2% used the previous 12 months. • Average age at first use 20.8 years. • 6.6% of Australian teenagers have had experience with amphetamines • 97% if IDU’s have tried stimulants

  4. Why worry? • Users • little understanding of effects of drug • High risk of HIV and STD • High rate of conversion from oral to IV • Unlikely to seek help • Toxicity • 25% of users are psychotic • 20% of psychoses longer than 1 month

  5. A little neuropsychology!

  6. Addictions & the reward pathway • Food • Water • Sex • Nurturing

  7. The action of stimulants Amphetamine-type Stimulants Cocaine

  8. Positron Emission Tomography www.drugabuse.gov

  9. Normal On Cocaine www.drugabuse.gov

  10. Brain on Cocaine 1-2 Min 3-4 5-6 Cocaine binding 6-7 7-8 8-9 20-30 9-10 10-20

  11. A Brain After Cocaine Metabolic Activity

  12. Long-term Consequences Metabolic Activity

  13. Amygdalanot lit up Amygdalaactivated Nature Video Cocaine Video The Memory of Drugs

  14. The good news is… Drug Abuse is apreventable behavior and Drug Addiction isatreatable disease

  15. … Is it worth the risk?

  16. For More Information NIDA Public Information Office: 301-443-1124 Or www.nida.nih.gov www.drugabuse.gov National Clearinghouse on Alcohol and Drug Information (NCADI): 1-800-729-6686 www.drugabuse.gov

  17. Have you changed your mind?

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