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Is Vaping Addiction Hereditary?
The reasons that people begin to vape and become addicted to the practice are complex. Environment, culture, peer pressure, and a long list of environmental factors play a role. However, there is evidence that susceptibility to nicotine addiction–as well as addiction to other substances–has an inherited component, too.
Studies have found that heritability of nicotine addiction risk may be as high as 80%. Scientists have not, though, been able to determine which genes might increase the risk, and it’s not clear how the inherited risk actually works in terms of brain chemistry.
In fact, analysis of study data has shown hundreds of different gene variations that may be a factor in addiction risk. These genes may affect the way that nerve cells communicate with each other in the brain, or they may affect the brain’s response to dopamine and other neurotransmitter chemicals.
Aside from the genetic component, there is strong evidence that people who grow up in households where vaping or tobacco use is present are much more likely to become addicted to nicotine themselves.
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