a growing number of victims' deadly opioid overdoses are children under the age of 5. let's think about that for a minute on accidental poisonings. jacqueline howard joins us with details. how does this happen? how do children under 5 get poisoned by this? >> i know. it's so disturbing, but this study shows it's a consequence of the ongoing opioid epidemic. the more people who have opioids in the home the more likely a young child might come across that and become accidentally exposed. this new study also says that when you look at that time period 201918, opioids were the most common substance contributing to fatal poisonings and it was followed by then over the counter pain, cold and