| Course | ADC 510 Addiction Theories and Practice |
|---|---|
| Module | Module 4 |
| Paper type | Effects paper with presentation plan |
| Length | About 1,006 words, 6 pages |
| Format | APA 7 student paper |
| School | Aspen University |
| Program | Psychology and Addiction Studies |
| Updated | October 2026 |
Free sample paper for ADC 510 Module 4
Which Drug Does the Most Harm? Effects, Rankings and a Community Presentation
Student Name
Psychology and Addiction Studies Program, Aspen University
ADC 510: Addiction Theories and Practice
Instructor Name
Month Day, Year
Which Drug Does the Most Harm? Effects, Rankings and a Community Presentation
Priya, the composite intern at a southern Ohio county behavioral health board, has been asked to speak to parents at a middle school. The parents, also invented, are worried about fentanyl, vaping and cannabis, which became legal for adults in the state recently. One parent's question, sent in advance, was blunt: "Which drug is the worst?" This paper prepares Priya to answer accurately.
Effects by Drug Class
Effects depend on dose, route of use, frequency, the person's age and health and the setting, and combinations, such as opioids with alcohol or benzodiazepines, carry added danger.
| Class | Examples | Short-term effects | Longer-term risks |
|---|---|---|---|
| Opioids | Heroin, fentanyl, oxycodone | Euphoria, sedation, slowed breathing | Dependence, overdose death, infections from injection |
| Stimulants | Cocaine, methamphetamine | Alertness, euphoria, raised heart rate and blood pressure | Heart problems, psychosis, dependence, weight loss |
| Depressants | Alcohol, benzodiazepines | Relaxation, impaired coordination and judgment | Liver disease, cancers, injury, dependence, dangerous withdrawal |
| Cannabis | Marijuana, concentrates | Altered perception, relaxation, impaired memory and coordination | Dependence, effects on adolescent brain development, psychosis risk in vulnerable people |
| Nicotine | Cigarettes, vapes | Alertness, relaxation | Strong dependence; with smoking, cancers and heart and lung disease |
Comparing Harms
Nutt et al. (2010) brought together specialists who rated twenty substances against sixteen criteria, nine covering harm to the user, such as death, damage to health, dependence and loss of relationships, and seven covering harm to others, such as injury, crime, strain on families and costs to the economy. Using a multicriteria decision analysis, they weighted and combined the scores. Heroin, crack cocaine and methamphetamine were the most harmful to users. Alcohol, heroin and crack cocaine were most harmful to others. Overall, combining both, alcohol scored highest. The authors argued that the findings did not match how drugs were classified in British law. The study has been criticized for relying on expert judgment and for weighting choices that affect the rankings, and it reflects the United Kingdom's patterns of use at the time. Its lasting contribution is to show that harm has many dimensions and that a drug's legal status does not track its harm.
Alcohol's Global Burden
Rehm et al. (2009) estimated the global burden of disease and injury attributable to alcohol. For 2004, they attributed about 4 percent of all deaths worldwide and a somewhat larger share of disability-adjusted life years to alcohol, through injuries, cancers, cardiovascular disease, liver cirrhosis and alcohol use disorders. They also estimated that alcohol's economic costs exceeded 1 percent of gross national product in high- and middle-income countries. The burden falls not only on heavy drinkers but on others through injuries and violence.
Fentanyl and the Changing Supply
The table's opioid row hides a recent shift. Illicitly manufactured fentanyl, far more potent than heroin, has come to dominate the illegal opioid supply in much of the United States and now appears in counterfeit pills and in stimulants. For young people, the greatest immediate danger may come not from deciding to use an opioid but from taking a pill bought online or from a friend that turns out to contain fentanyl. Priya's county has seen several overdose deaths among young adults who believed they were taking a prescription pill.
Cannabis
Volkow et al. (2014) reviewed the adverse health effects of cannabis. They described addiction as a real risk, affecting roughly one in eleven people who use it and a higher proportion of those who start in adolescence or use daily. They reviewed evidence that regular use during adolescence is associated with altered brain development and poorer educational outcomes, while noting that causal direction is not always clear. They noted short-lived problems with memory and coordination, a higher chance of crashing a car while impaired and a link with psychotic illness in people already at risk. They also pointed out that today's cannabis is far stronger than the product studied decades ago, so older studies may understate current risks.
Why Legal Status Misleads
Parents often assume that legal substances are safer than illegal ones. The harm rankings, alcohol's global burden and the evidence on nicotine all show why this is misleading. Legal status reflects history, culture and politics as much as evidence about harm. At the same time, illegal status carries its own dangers: an unregulated supply means users cannot know what or how much they are taking, which is how fentanyl has come to contaminate so many other drugs.
The Adults in the Room
A presentation to parents is also a presentation to drinkers, smokers and, in some cases, people who use cannabis themselves. Children's attitudes toward substances are shaped by what they see at home. Priya planned to mention this gently, as information rather than accusation: young people whose parents drink heavily or keep alcohol and cannabis accessible are more likely to start early. The aim is to invite reflection, not to lecture.
Planning the Presentation
Priya's answer to "which drug is the worst?" will be that it depends on what kind of harm one means. For a single use, fentanyl is the most immediately deadly, because tiny amounts can stop breathing, and it now contaminates other drugs. For harm to families and communities across the population, alcohol leads, through injuries, violence, lost work and illness that reach far beyond the drinker. For teenagers' developing brains, regular early use of cannabis and nicotine matters most. She will avoid scare tactics, which research on prevention suggests can backfire with adolescents, and will instead give accurate comparisons and practical steps: talking with children early, delaying any use, keeping naloxone at home and knowing that pills from friends or online may contain fentanyl.
Conclusion
Drugs differ in their physical and psychological effects, and their harms depend on dose, pattern and setting. Nutt, King and Phillips showed that harm has many dimensions and that alcohol ranks highest overall when harm to others is counted. Rehm and colleagues documented alcohol's global burden, and Volkow and colleagues set out the risks of cannabis, especially for adolescents. Priya's presentation will turn these findings into accurate, practical advice for parents.
References
Nutt, D. J., King, L. A., & Phillips, L. D. (2010). Drug harms in the UK: A multicriteria decision analysis. The Lancet, 376(9752), 1558-1565. https://doi.org/10.1016/S0140-6736(10)61462-6
Rehm, J., Mathers, C., Popova, S., Thavorncharoensap, M., Teerawattananon, Y., & Patra, J. (2009). Global burden of disease and injury and economic cost attributable to alcohol use and alcohol-use disorders. The Lancet, 373(9682), 2223-2233. https://doi.org/10.1016/S0140-6736(09)60746-7
Volkow, N. D., Baler, R. D., Compton, W. M., & Weiss, S. R. B. (2014). Adverse health effects of marijuana use. New England Journal of Medicine, 370(23), 2219-2227. https://doi.org/10.1056/NEJMra1402309
What the ADC 510 Module 4 instructions ask for
The fourth module of ADC 510 usually asks for a paper on the physiological and psychological effects of substances. Treat the Module 4 instructions in your Aspen course as the guide; the audience here is invented. Describe the effects of major drug classes, short and long term, physical and psychological. Explain how researchers compare harms across drugs. Report evidence on the burden of at least one substance. Address a substance where public views are shifting, such as cannabis. If you prepare material for an audience, keep it accurate and avoid scare tactics. Reference every source in APA 7, and note the year of the evidence you use. Explain how harm depends on dose, route and combination, since the same drug can be low risk in one pattern and deadly in another.
How this ADC 510 Module 4 example is built
Priya, the composite intern, prepares a talk for parents at a southern Ohio middle school. A five-row table sets out effects of opioids, stimulants, depressants, cannabis and nicotine. Nutt, King and Phillips's Lancet analysis shows alcohol ranked most harmful overall, heroin, crack cocaine and methamphetamine most harmful to users. Rehm and colleagues' Lancet study reports alcohol's share of global deaths and disability. Volkow and colleagues' New England Journal of Medicine review sets out cannabis risks, including addiction and effects on the developing brain. The presentation plan replaces scare tactics with accurate comparisons and practical advice about fentanyl and naloxone. A section on the audience's own drinking addresses alcohol without lecturing.
Where the marks sit in the ADC 510 Module 4 rubric
Effects papers earn credit for accurate descriptions of effects, careful use of harm comparisons and messages suited to the audience. This example organizes effects by class in a table. It explains how the multicriteria analysis scored harms, including its limits and the controversy around it. Alcohol's burden is reported with figures from a major study. The cannabis section reports risks with their level of certainty rather than overstating them. The presentation plan is grounded in evidence about what kinds of messages help, avoiding fear-based approaches. The criticisms of the harm rankings are reported alongside the findings, which shows the reader how to weigh a well-known but debated study.
ADC 510 Module 4 help: mistakes that cost marks
Effects papers often list symptoms without distinguishing short- and long-term effects or physical and psychological ones. Organize clearly, by class or by system. When comparing harms, explain the method and its limits. Report certainty honestly; some cannabis risks are well established and others less so. Remember that harm depends on dose, pattern, route and setting, not only on the drug. If preparing for a public audience, avoid scare tactics, which can backfire with young people, and give practical, accurate information they can use. Check the latest local data on overdose and youth use before a public talk, since audiences notice when national figures ignore what is happening in their own town.
Write yours, or have the desk draft it
This paper is an original model document written by our desk, not a submitted student paper and not an official Aspen University document. Read it for the moves, then write your own to the instructions in your classroom. If you want one built to your exact prompt and rubric, the first custom sample is free and arrives in 24 to 48 hours.
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ADC 510 Module 4 questions, answered
What does ADC 510 Module 4 usually ask for?
Aspen's ADC 510 covers physiological and psychological effects of substances in this module, so a paper on effects and how harms are compared is typical. Check your Module 4 prompt.
Which drug is the most harmful?
In Nutt, King and Phillips's analysis of twenty drugs, alcohol scored most harmful overall when harm to others was included; heroin, crack cocaine and methamphetamine were most harmful to users.
How much harm does alcohol cause worldwide?
Rehm and colleagues estimated that alcohol accounted for about 4 percent of global deaths and a slightly larger share of disability-adjusted life years in 2004.
Where can I find a free ADC 510 Module 4 sample paper?
The full paper is on this page: effects by drug class in a table, how harms are compared, alcohol's burden, cannabis risks and a community presentation.
What are the risks of cannabis use?
Volkow and colleagues reviewed risks including addiction, especially with early and frequent use, effects on the developing brain, impaired driving and links with psychosis.