Obesity May Give You A Greater Sense of Smell for Food

A new research has stated that overweight people have greater sense of smell for food.

Overweight people, a new research has stated, have greater sense of smell for food.

Researchers from the University of Portsmouth said that their findings may explain why it's difficult for some people to stay slim.

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Experts already know that part of the brain that processes information about odour is also connected to the feeding centres of the brain.

While too much food and too little exercise may be largely to blame, scientists have been searching for the underlying causes driving the obesity epidemic.

To this end, Stafford and his team set out to study if a skewed sense of smell could be partly to blame.

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His team asked 64 volunteers to take part in a series of experiments that tested their smelling ability and they study found that people appear to be slightly better at smelling food odours after they have eaten rather than when they are hungry.

Stafford suspects that it could be the body's way of detecting and rejecting foods no longer needed in order to maintain the right energy balance and stop a person eating too much.

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His team found that people who are overweight - those with a higher body mass index or BMI - have a far heightened sense of smell for food compared to slim people, particularly after they have eaten a full meal.

"It could be speculated that for those with a propensity to gain weight, their higher sense of smell for food related odours might actually play a more active role in food intake," the BBC quoted Stafford as saying.

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"Hopefully this research will stimulate more work in this area with the potential to help those who struggle with their weight and those who treat people with weight problems," he added.

The research is published in the journal Chemical Senses.

Source-ANI