Sep. 25, 2025 — New studies show that a bacterial molecule, peptidoglycan, is present in the brain and fluctuates with sleep patterns. This challenges the idea that sleep is solely brain-driven, ...

The president claims acetaminophen use in pregnancy may be linked to autism despite decades of evidence it’s safe. Doctors and advocates are rejecting the claim. 11Alive's Reggie Chatman Jr is Joined ...