Published On: Sat, Jun 18th, 2016

Dysfunction compels fat people to eat more


sweet on lips

A new research study has stated that fat people can find it hard to stay far from sweet foods than individuals who are lean, as of a dysfunction in their brains.

Additional body fat can use effects on how our brains recognize rewards when we eat sweets, the research study added.

The findings of the study showed that the reward system in obese people brains’ operates in a different manner than in those who are lean.

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When people transfer from adolescence to adulthood, they inclined to be less loving of sweets as a consequence of a reduction in dopamine levels which is the main chemical in the brain that makes us feel good.

The fall in dopamine levels creates the older adults fewer fascinated to sweets.

As well, both juvenile age and fewer dopamine receptors were located to be linked with an elevated fondness for sweets in those of average weight.

Tamara Hershey, who is the Professor at Washington University, stated that “We found disparities in preference for sweets between individuals and also found individual variations in dopamine receptors,”

Hershey further added that “Some people have high levels and some low. In people with normal weight having fewer dopamine receptors was associated with a higher preference for sweets,”

Though in people with fatness, that is not the matter, the researchers added.

Dysfunctioning in the brain’s incentive system of fat individuals makes them much susceptible to sweet cravings.

Though, the association amid their age, sweetness preferences, and dopamine receptors also did not pursue the pattern witnessed in people who weighed less.

Insulin confrontation or a few further metabolic alter connected to obesity could add to the lack of these connections in the obese group, the researchers elaborated.

M Yanina Pepino, who is the lead author and Assistant Professor at Washington University, further stated that “We believe we may have identified a new abnormality in the relationship between reward response to food and dopamine in the brains of individuals with obesity,”

To conduct the research study, which was presented online in the journal Diabetes, the team analyzed 20 healthy volunteers who were aged amid 20-40 years and contrasted them with 24 people thought fat, from which everyone had a body mass index (BMI) of 30 or higher.

As well, the participants got drinks encompassing changing levels of sugar to decide the degrees of sweetness every individual favored.

Positron emission tomography (PET) scans were organized to recognize dopamine receptors connected to incentives in each person’s brain.


About the Author

Sidra Muntaha

- Sidra Tul Muntaha is a journalist (MA-Mass Communication and M.Phil in Mass Communication) based in Lahore. She is working as an editor at fashion, style and entertainment in the section of the Kooza. She writes fashion and entertainment articles for The Kooza News.