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An orexigenic, or appetite stimulant, is a drug, hormone, or compound that increases appetite and may induce hyperphagia. This can be a medication or a naturally occurring neuropeptide hormone, such as ghrelin , orexin or neuropeptide Y , [ 1 ] [ 2 ] which increases hunger and therefore enhances food consumption .
For an added challenge, bend your left elbow and your right knee in until they touch underneath your stomach. Switch sides and repeat using your right arm and left leg. Continue alternating ...