In general, increased levels of the neurotransmitter neuropeptide Y and of the hormone ghrelin promote increased appetite.

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Neuropeptide Y and ghrelin are known to stimulate hunger and increase appetite. Neuropeptide Y is a neurotransmitter that is involved in appetite regulation, while ghrelin is a hormone that is released by the stomach and acts on the hypothalamus to increase appetite. Both of these substances have been associated with increased food intake and weight gain.

In General, Increased Levels of the Neurotransmitter Neuropeptide Y and of the Hormone