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Comfort foods

Why do we reach for chocolates during stress?

Photo: AP

Scientists are a step closer to unravelling why some stressed people reach for chocolate, mashed potatoes, ice cream and other high-calorie comfort foods.

A study led by the University of Texas Southwestern Medical Centre suggests that ghrelin — the so-called “hunger hormone” — is involved in triggering this response to high stress situations.

“This helps explain certain complex eating behaviours and may be one of the mechanisms by which obesity develops in people exposed to psychosocial stress,” said Jeffrey Zigman, assistant professor of internal medicine and psychiatry at the Medical Centre.

“We think these findings are not just abstract and relevant only to mice, but are also relevant to humans,” added Zigman, who led the study, reports the Journal of Clinical Investigation.

Chronic stress also causes elevated ghrelin levels.

IANS

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