Obese people who are maintaining weight have lower blood levels of ghrelin than thinner people on weight-loss diets.

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Ghrelin is a hormone that stimulates appetite and promotes fat storage. Obese people who have lost weight typically have elevated levels of ghrelin, which can make it difficult to maintain weight loss. However, a study published in the journal Obesity found that obese people who were maintaining weight had lower blood levels of ghrelin than thinner people on weight-loss diets. This suggests that the body may adapt to a higher weight and lower ghrelin levels may play a role in helping to maintain a higher weight.

Obese People Who Are Maintaining Weight Have Lower Blood Levels