Genetics can influence an individual's susceptibility to addiction from "summary" of Never Enough by Judith Grisel
The role of genetics in addiction is complex and multifaceted. Our genes can impact our susceptibility to developing an addiction in various ways. There is evidence to suggest that genetic factors can influence the likelihood of someone trying a drug in the first place. For example, research has shown that certain genetic variations can affect how we respond to the effects of drugs. Some individuals may be more sensitive to the pleasurable effects of a substance, making them more likely to seek out that experience again and again. This heightened sensitivity can be a result of genetic differences in how our brains process neurotransmitters such as dopamine, which plays a key role in the brain's reward system. In addition to influencing our initial response to drugs, genetics can also impact our risk of developing an addiction over time. Studies have indicated that certain genetic variations...
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