Human skin is home to diverse ecosystems including bacteria, viruses, and fungi. These microbial communities comprise hundreds of species and are collectively known as the skin microbiome.

Researchers published a proof-of-principle paper in the journal Science Immunology demonstrating just how precision medicine for inflammatory skin rashes might work.

A treatment for severe skin inflammation that works well in lean mice made the condition worse in obese mice because of immune-cell changes associated with obesity.