I was going to ask if anyone knew how they found mice for these studies. Do they choose mice they have on hand that naturally have had heart attacks? Would thos

I was going to ask if anyone knew how they found mice for these studies. Do they choose mice they have on hand that naturally have had heart attacks? Would those mice be involved in other studies too? But I ended up googling it and sort of wish I didn’t ask the question. https://www.theawl.com/2016/04/if-you-give-a-mouse-a-heart-attack/ https://www.theawl.com/2016/04/if-you-give-a-mouse-a-heart-a...