These levels can vary depending on time of day and other factors, making them an unreliable source of long-term cortisol levels. "As indicated in the paper, measurements of hair cortisol reflect exposure over the past several months," she said. And now there's new evidence that people who experience chronic, long-term stress may also be more prone to weight gain and obesity. Cortisol levels may potentially differ in younger adults and those of different races. Thus, these high hair cortisol values may simply reflect social or biological stress associated with being [obese]."For example, it's possible that the social stigma associated with obesity causes people mental stress and therefore, higher cortisol levels.
Chronic stress can lead to obesity, says new study
"These results provide consistent evidence that chronic stress is associated with higher levels of obesity," said lead researcher at UCL Epidemiology and Public Health Dr. Sarah Jackson. During the study, samples of hair were taken from each subject to monitor cortisol levels. People with higher levels of cortisol in their hair had larger waist circumferences, higher body mass indexes and weighed more than subjects with low cortisol levels. Men and women who are constantly under pressure tend to overeat "comfort foods" high in fat, calories and sugarChronic stress can lead to weight gain and obesity, according to a study from the University College London earlier this week. AdvertisementMen and women who constantly feel stressed tend to overeat "comfort foods" high in fat, calories and sugar, scientists concluded.collected by :Lucy William
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