DEAR DR. ROACH: I am a 49-year-old woman who recently had COVID. When I was sick with it, I lost my sense of taste and smell. I no longer have COVID, but I still have a stuffy nose with no sense of ...
The gut bacterium Bacteroides fragilis has long presented researchers with a paradox. It has been associated with colorectal cancer, yet it also lives quite happily in most healthy people. A study by ...
Antibiotics are designed to kill harmful bacteria and help the body recover from infection. But some antibiotics may also ...