Seven charts that speak volumes about the opioid epidemic. Skip to main content. Share on Facebook; ... More than half of those overdose deaths involved opioids, a class of drugs including heroin, ...

The researchers report that their model achieved a 93% cross-validation score in binary classification, underscoring its ...

Our six charts below show why this is the most lethal phase yet of an opioid epidemic that stretches back to the late 1990s. ... another class of synthetic opioid, can be more powerful still ...

Data released in recent months show that the opioid epidemic is worsening, driven largely by the rise of fentanyl, a synthetic opioid painkiller 50-100 times more powerful than morphine.