Is our first line of defense sleeping on the job?

2 junio 2015

The skin microbiome is considered our first line of defense against pathogens. Across our bodies, we are covered with a diverse assemblage of bacteria. However, the skin can be a harsh environment for beneficial bacteria to live on due to UV exposure, high salinity, and desiccation stress. Research has found that these suboptimal conditions may cause some bacteria to enter a dormant state, while other bacteria may simply die.