It's a hell of a drug and a hell of an epidemic, but if my reading is correct, let's keep headlines more accurate.
The first sentence says "Drug Poisonings are a leading cause of death for Americans ages 18-45, according to the Centers for Disease Control and Prevention (CDC)."
You can dive deep yourself into the data showing causes of death: https://wonder.cdc.gov/controller/saved/D176/D374F608
Title: “Fentanyl poisoning is the #1 killer for people ages 18-45”
TFA: “Drug Poisonings are a leading cause of death for Americans ages 18-45, according to the Centers for Disease Control and Prevention (CDC)… almost 70% of these deaths were caused by fentanyl and other synthetic opioids.”