Gram-negative bacteria like E. coli have built-in gatekeepers, porins, and pumps that decide what gets in or out, including antibiotics. The bacteria's genetic control room tightly regulates these microscopic bouncers. But we still don't fully understand how chemicals, like food ingredients or medications, tweak these systems. Continue Reading Category:Infectious Diseases, Illnesses and conditions, Body and Mind Tags:Antibiotic, Antibiotic-resistant bacteria, Coffee, Caffeine, Bacteria