The number of U.S. fatal overdoses fell last year, according to Centers for Disease Control and Prevention data posted Wednesday.
Agency officials noted the data is provisional and could change after more analysis, but that they still expect a drop when the final counts are in. It would be only the second annual decline since the current national drug death epidemic began more than three decades ago.
Experts reacted cautiously. One described the decline as relatively small, and said it should be thought more as part of a leveling off than a decrease. Another noted that the last time a decline occurred — in 2018 — drug deaths shot up in the years that followed.
"Any decline is encouraging," said Brandon Marshall, a Brown University researcher who studies overdose trends. "But I think it's certainly premature to celebrate or to draw any large-scale conclusions about where we may be headed long-term with this crisis."
It's also too soon to know what spurred the decline, Marshall and other experts said. Explanations could include shifts in the drug supply, expansion of overdose prevention and addiction treatment, and the grim possibility that the epidemic has killed so many that now there are basically fewer people to kill.
CDC Chief Medical Officer Dr. Deb Houry called the dip "heartening news" and praised efforts to reduce the tally, but she noted "there are still families and friends losing their loved ones to drug overdoses at staggering numbers."
About 107,500 people died of overdoses in the U.S. last year, including both American citizens and non-citizens who were in the country at the time they died, the CDC estimated. That's down 3% from 2022, when there were an estimated 111,000 such deaths, the agency said.
The drug overdose epidemic, which has killed more than 1 million people since 1999, has had many ripple effects. For example, a study published last week in JAMA Psychiatry estimated that more than 321,000 U.S. children lost a parent to a fatal drug overdose from 2011 to 2021.
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"These children need support," and are at a higher risk of mental health and drug use disorders themselves, said Dr. Nora Volkow, director of the National Institute on Drug Abuse, which helped lead the study. "It's not just a loss of a person. It's also the implications that loss has for the family left behind."
Prescription painkillers once drove the nation's overdose epidemic, but they were supplanted years ago by heroin and more recently by illegal fentanyl. The dangerously powerful opioid was developed to treat intense pain from ailments like cancer but has increasingly been mixed with other drugs in the illicit drug supply.
For years, fentanyl was frequently injected, but increasingly it's being smoked or mixed into counterfeit pills.
A study published last week found that law enforcement seizures of pills containing fentanyl are rising dramatically, jumping from 44 million in 2022 to more than 115 million last year.
It's possible that the seizures indicate that the overall supply of fentanyl-laced pills is growing fast, not necessarily that police are whittling down the illicit drug supply, said one of the paper's authors, Dr. Daniel Ciccarone of the University of California, San Francisco.
He noted that the decline in overdoses was not uniform. All but two of the states in the eastern half of the U.S. saw declines, but most western states saw increases. Alaska, Washington, and Oregon each saw 27% increases.
The reason? Many eastern states have been dealing with fentanyl for about a decade, while it's reached western states more recently, Ciccarone said.
Nevertheless, some researchers say there are reasons to be optimistic. It's possible that smoking fentanyl is not as lethal as injecting it, but scientists are still exploring that question.
Meanwhile, more money is becoming available to treat addiction and prevent overdoses, through government funding and also through legal settlements with drugmakers, wholesalers and pharmacies, Ciccarone noted.
"My hope is 2023 is the beginning of a turning point," he said.
