The main point: For the first time in more than a year, provisional CDC data shows an increase (of 1,400) in fatal overdoses in the 12-month period ending January 2025.

The numbers:

The details: According to Nabarun Dasgupta, who studies overdose trends at the University of North Carolina, his analysis of the latest data suggests that most of the country is still trending down, with the increase driven by upticks in Texas, Arizona, California, and Washington.

The bottom line: This increase is relatively small and could be a blip or an early sign that declines could be fading. One month of data is not necessarily indicative of larger trends.

Read more: New Report: U.S. drug overdose deaths rise again after hopeful decline