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In 1982, Scientific American published an article suggesting that snorting cocaine was no more addictive than eating potato chips. People continue to use when the stuff is around, and simply stop when it's gone, the researchers argued. The paper was later widely denounced for minimizing the risks of what...
The funny thing is that the same headlines are still making news - except written in reverse. On March 29, the New York Daily News declared: "Fatty foods may be just as addictive as heroin and cocaine: study." Indeed, a look at Americans' collectively expanding waistline - with two-thirds of adults...
But what shocked the researchers was that extended-access rats also showed deficits in their "reward threshold." That is, unrestricted exposure to large quantities of high-sugar, high-fat foods changed the functioning of the rats' brain circuitry, making it harder and harder for them to register pleasure - in other...
But the question is, does this data really show that the ubiquity of cheap junk food will turn us all into junkies? Not really. A closer look at certain key elements of this study and of prior research helps clarify who - mouse or man - is most likely to get hooked...
Past studies have found that socioeconomically disadvantaged people and others in high-stress situations with little social support are at much greater risk for both addiction and obesity. For example, people who were displaced for more than two weeks after hurricanes Katrina and Rita were 56% more likely to have...