Gila monster

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The Gila monster ( HEE-lə; Heloderma suspectum) is a species of venomous lizard native to the Southwestern United States and the northwestern Mexican state of Sonora. It is a heavy, slow-moving reptile, up to 22 in (56 cm) long, and it is the only venomous lizard native to the United States. The Gila monster is sluggish in nature, so it is not generally dangerous and very rarely poses a real threat to humans, though the bite is painful. Nonetheless, it has a fearsome reputation and is sometimes killed despite the species being protected by state law in Arizona. The lower teeth have venom grooves to transmit the venom to the prey. The venom contains multiple peptides; one of these, exendin-4, formed the basis for the development of the GLP-1 receptor agonists, used to treat type 2 diabetes and obesity.

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