Stories by Martin J. Blaser

Modern assaults on the human microbiome may deprive some infants of coevolved microorganisms that shape their immune systems as well as lead to other developmental problems

Antibiotics have endangered our native microbiomes and left us increasingly vulnerable to modern diseases like obesity, diabetes, asthma and autism

Is the decline of Helicobacter pylori, a bacterium living in the human stomach since time immemorial, good or bad for public health?

One half to one third of the world's population harbors Helicobacter pylori, "slow" bacteria that infect the stomach and can cause ulcers and cancer there