Oct 08
Addiction needs to be treated like a disease and we need to follow the disease model.
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Archive for the tag: Addiction
Mar 01
This video describes the disease model of addiction. The disease model of addiction states that changes in the brain due to substance use greatly compromise an individual’s ability to stop using drugs or alcohol. This model treats substance use disorders more like a medical condition as opposed to a “decision to stop using.” Some other models of addiction more heavily weight the role of accountability, responsibility, and motivation in the recovery from substance use disorders. Many of the models offer something of value to the discussion of addiction treatment, however, it is my opinion that the disease model is currently the most useful model of addiction available.
The SIR model is one of the simplest disease models we have to explain the spread of a virus through a population. I first explain where the model comes from, including the assumptions that are made and how the equations are derived, before going on to use the results of the model to answer three important questions:
1. Will the disease spread? 6:32
2. What is the maximum number of people that will have the disease at one time? 11:00
3. How many people will catch the disease in total? 16:55
The answers to these questions are discussed in the context of the current COVID-19 (Coronavirus) outbreak. The model tells us that to reduce the impact of the disease we need to lower the ‘contact ratio’ as much as possible – which is exactly what the current social distancing measures are designed to do.
The second video explaining Travelling Wave solutions to the SIR model is here: https://www.youtube.com/watch?v=uSLFudKBnBI
The third video including an Incubation Time in the SIR disease model is here:
Produced by Dr Tom Crawford at the University of Oxford.
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