Immunology

How the immune system deals with the gut's plethora of microbes

The gut is an unusually noisy place, where hundreds of species of bacteria live alongside whatever microbes happen to have hitched a ride in on your lunch. Scientists have long suspected that the gut's immune system, in the ...

Medical research

Stopping tooth decay before it starts—without killing bacteria

Oral bacteria are ready to spring into action the moment a dental hygienist finishes scraping plaque off a patient's teeth. Eating sugar or other carbohydrates causes the bacteria to quickly rebuild this tough and sticky ...

Health

Microbes are a key marker of vaginal health during menopause

Certain species of bacteria are actually necessary to maintain vaginal health. The menopause transition, however, often upsets the natural balance of bacteria by decreasing the proportion of healthy bacteria and increasing ...

page 1 from 3