Throw Fat Off Your Scent

Clean Eating - - BITS & BITES -

If you’ve ever plugged your nose and taken a bite of an onion, you know how tightly the senses of smell and taste are in­ter­twined. But the link may be even closer than imag­ined. Sci­en­tists at the Uni­ver­sity of Cal­i­for­nia, Berke­ley, have found that when the sense of smell in mice was in­tact, they gained twice as much weight as scent­de­prived mice, even though they ate the same amount of fatty food. More­over, mice with a height­ened sense of smell gained even more weight on a high-fat diet than mice with a nor­mal sense of smell who were on the same diet. The fact that those equipped with bet­ter ol­fac­tory re­cep­tors are more in­clined to gain weight, paired with ev­i­dence that the el­derly who lose their sense of smell tend to lose weight faster, have led re­searchers to sus­pect that there may be a re­la­tion­ship be­tween me­tab­o­lism and the abil­ity to de­tect odors. While the re­sults need fur­ther study, re­searchers are hop­ing their find­ings could even­tu­ally help fight obe­sity in hu­mans (think de­vel­op­ment of a nasal spray to tem­po­rar­ily kill odor-sen­si­tive neu­rons be­fore you chow down on your fa­vorite fra­grant foods).

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