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What do studies show about the benefits of leptin?

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Quick Answer

Studies show that adequate amounts of leptin in the body can shrink fat tissue and control appetite, leading to weight loss, according to News Medical. Leptin is a hormone that signals the body to regulate its own weight.

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Full Answer

Research suggests that the ability of leptin to signal the body to stop eating could be enhanced by eating slowly and putting the fork down between bites, as noted by Harvard Health Publications. Eating too fast could prevent the body from sending the "I'm full" signal from the stomach to the brain, which is one of leptin's jobs in controlling weight.

However, eating slowly is not enough to eliminate true leptin resistance in those who experience it, explains WebMD. According to Dr. Robert H. Lustig, professor of pediatrics at the University of California, San Francisco, obesity is not necessarily a result of a lack of leptin. Many overweight people have a high leptin level, but their brains do not process its satiety signals. Research has yet to solve this dilemma. Taking leptin supplements would have no bearing on the amount of leptin in a person's body, nor would raising a person's leptin levels affect the brain's ability to receive the hormone's signals.

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