People with Addictions have 15-20% less Dopamine Receptors

A study using PET imaging scans on drug addicted volunteers versus normal subjects showed that people with addictions in general have 15-20% fewer dopamine receptors then their counterparts.

Joanna Fowler, PhD, senior scientist at the U.S. Department of Energy's Brookhaven National Laboratory in Upton N.Y. stated, “This reinforces the idea that drug addicts experience diminished feelings of pleasure, which drives their continual drug use." Gene-Jack Wang, MD, senior scientist at Brookhaven, also used the dopamine PET scans on obese individuals and found highly similar patterns of low dopamine receptors validating that at least in some cases, obesity can also be considered a disease of addiction.

Studies like this help in determining what treatment strategies might be more effective in individuals addicted to drugs. You can read the full article at HealthImaging.com.

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