Why Are Abstinent Smokers More Sensitive to Pain?
Why Are Abstinent Smokers More Sensitive to Pain?

Smokers who have recently quit their nicotine use have altered brain activity linked to increased pain sensitivity and a need for more postoperative pain relief. Abstinent smokers experience increased pain sensitivity during withdrawal, to the point that…

How U.S. Export Controls Risk Undermining Biosecurity
How U.S. Export Controls Risk Undermining Biosecurity

The regulations intended to prevent bioweapons proliferation may be increasing bioweapon risks. Major artificial intelligence (AI) labs have begun to publicly acknowledge that their models possess advanced—and worrying—biological capabilities. Between June and…