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Addiction vs. Habit | Food Addictions Explained | How to Avoid Overeating
Habit:
Habits begin with a “loop” based on a reward system:
A cue or trigger tells the brain to go on autopilot while performing a routine - if the brain benefits from the routine, it will continue to do the action, and then receive a “reward.”
Forming Habits:
In a study published in the European Journal of Social Psychology, researchers decided to figure out just how long it actually takes to form a habit. The study examined the habits of 96 people over a 12-week period - each person chose one new habit for the 12 weeks and reported each day on whether or not they did the behavior and how automatic the behavior felt. Some people chose simple habits like “drinking a bottle of water with lunch,” others chose more difficult tasks like “running for 15 minutes before dinner.” At the end of the 12 weeks, the researchers analyzed the data to determine how long it took each person to go from starting a new behavior to automatically doing it.
Results:
Found that, on average, it takes more than 2 months before a new behavior becomes automatic - 66 days to be exact. And how long it takes a new habit to form can vary widely depending on the behavior, the person, and the circumstances. In the study, it took anywhere from 18 days to 254 days for people to form a new habit, but interestingly, the researchers also found that “missing one opportunity to perform the behavior did not materially affect the habit formation process.”
Addiction:
Addiction occurs when you are no longer able to function properly without the pleasurable activity or substance. Certain pleasurable activities, such as eating trigger the reward center in your brain, making you want to engage in the activity again (aka dopamine, more on this later.) Substance abuse also excites the brain’s reward center; however, over time tolerance develops as the brain adapts to the continued presence of the substance. You end up needing more and more of the substance to achieve the same effects - before long, you don’t even experience the substance’s pleasurable effects anymore as your body has come to need the substance just to function and feel normal. What’s happening is that your body has become dependent on the substance, and it doesn’t take long before the signs become evident that a habit has become an addiction.
Addiction is a bio-psychosocial disorder - it's a combination of your genetics, your neurobiology and how that interacts with psychological and social factors
The mutual mechanism (dopamine)
Though everyone's path to addiction is different - whether he or she tries a drug or a behavior because it's what that person's parents or peers do, or just out of curiosity - what's common across all substance and behavioral addictions is their ability to increase levels of dopamine. Dopamine is a molecule that carries messages across the brain's reward center - it's what gives people the feeling of pleasure and reinforces behaviors critical for survival, such as eating food and having. When someone uses a drug or engages in a pleasurable experience, the same natural reward circuitry is activated - the problem with drugs is that they do the job better than natural rewards. Different drugs tap into the dopamine reward system in different ways - for example, marijuana and heroin have a chemical structure similar to another neurotransmitter and can trick some brain cells into activating neurons that use dopamine.
References:
1) How are habits formed: Modelling habit formation in the real world - Lally - 2010 - European Journal of Social Psychology. (2009). Retrieved from onlinelibrary.wiley.com/doi/a...
2) www.psychologytoday.com/us/bl...
3) journeypureriver.com/addictio...
4) www.mazzittiandsullivan.com/h...
5) www.livescience.com/60694-why...
6) jamesclear.com/new-habit
7) On habits and addiction: An associative analysis of compulsive drug seeking. (n.d.). Retrieved from www.ncbi.nlm.nih.gov/pmc/arti...
8) Addiction history associates with the propensity to form habits. (n.d.). Retrieved from www.ncbi.nlm.nih.gov/pmc/arti...
9) The Role of Habits and Motivation in Human Drug Addiction: A Reflection. (n.d.). Retrieved from www.ncbi.nlm.nih.gov/pmc/arti...
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