Laboratory mice typically die from cancer, unlike humans who often die from atherosclerosis.

“The leading cause is atherosclerosis now that's true in the United States it's true across the globe so when you mix in develop and undevelop it doesn't matter laboratory mice aren't that way they die of pretty much one thing and one thing alone and that is actually it's euthanasia but I know where you're going good point cancer right cancer they all die of cancer”