The effects can last a lifetime but saying any narcotic will last for at least 72 hours doesn't take into consideration dose, weight, history isn't even closely

The effects can last a lifetime but saying any narcotic will last for at least 72 hours doesn't take into consideration dose, weight, history isn't even closely true. Did you know eating a poppyseed bagel will cause a positive for heroin for upto 60 hours afterwards while doing a small amount of heroin will not show up on that same test.