August 2023 marked the turning point in US drug overdose crisis
Peer-Reviewed Publication
Updates every hour. Last Updated: 7-Dec-2025 03:11 ET (7-Dec-2025 08:11 GMT/UTC)
While the U.S. has recently seen a welcome downturn in drug overdose deaths, a new study from Northwestern Medicine is the first to pinpoint when the tide began to turn — identifying August 2023 as the national inflection point in the crisis.
Virginia Tech researchers have created an engineered model of the supportive tissue found within a lymph node to study human health. Working with scientists at the University of Virginia, the researchers are building a bioengineered model of a human lymph node, which performs essential roles in the immune system throughout the body.