Although environment plays a major part in addiction — you can’t get hooked on something you’ve never tried — genetics plays a substantial role in determining whether a person who does use a drug will become addicted to it.
A few DNA variations have been identified that seem to increase the odds a person will become [...]

Tags: addiction, alcohol, cocaine, marijuana, nicotine, opiates, PKNOX2, PNAS, substance dependence

SNPwatch gives you the latest news about research linking various traits and conditions to individual genetic variations. These studies are exciting because they offer a glimpse into how genetics may affect our bodies and health; but in most cases, more work is needed before this research can provide information of value to individuals. For that [...]

Tags: Archive of General Psychiatry, cocaine, dependence, MANEA, paranoia