There’s a reason you see and hear so much about fentanyl; its potency as an opioid is surpassed only by its ability to damage public health when illicitly manufactured, distributed and misused. But, with stories of fentanyl-fueled tragedy dominating the news, it’s easy to overlook the fact that our nation’s health faces a significant threat from another, very close-at-hand source -- the diversion of drugs stored at home. A look at available data, however, reveals how “loss of custody” of medications at the household level is contributing to the current health emergency.