Tag: body

  • Biology, environment, or psychology? Which is most important in addiction?

    I get asked this question a lot, both by people who are fully committed to the biological (or brain) model of addiction and ones who thinks it’s crap and that it’s all about psychology, experience, and motivation. The thing is that it is absolutely impossible to separate the influence of the brain, environment, and psychology […]

  • Physical addiction or psychological addiction – Is there a real difference?

    This is another one of the basic questions I get regarding addiction. It seems that people think about physical addiction and psychological addiction as somehow separate processes. I think this distinction makes no sense. Even if people really meant what they were saying, the brain is undoubtedly part of the body, and therefore, psychological addictions […]

  • Black tar heroin – Pure Death

    Back in the 70s, heroin was mostly filler, and the good stuff was 5% pure or so. Nowadays a new, more potent, version of the stuff is killing people all around the country with widely varying purities as high as 90%. What makes black tar dangerous When heroin was weak, shooting it was the best […]

  • Cravings – The all consuming experience of wanting something

    In my studies of addiction, the concept of cravings comes up often. Researchers talk of “wanting” versus “liking” of drugs and of the idea that cravings are a programmed response to environmental signals that have been connected to drug use through experience. What are cravings? I agree with these descriptions and the idea that cravings […]

  • Addiction brain effects : Opiate addiction – Heroin, oxycontin and more

    Okay, we’ve talked about crystal meth and cocaine and how they affect the brain during drug use. As I mentioned, both cocaine and meth interfere with the way the brain stores and cleans up important neurotransmitters, including, most importantly, Dopamine and Norepinephrine. The class of drugs known as opiates, which includes morphine, heroin, codeine, and […]