diet

In each human gut, a community of trillions of bacteria help digest food and make certain nutrients. Some of these bacteria are associated with disease such as diabetes and Crohn’s, while some prevent disease. The composition of bacteria varies from one…

by Jemila C Kester, PhD figures by Rebecca Clements In the Seinfeld episode “The Stranded,” Jerry is choosing between two cold medicines. “This is quick-acting, but this is long-lasting,” he notes. “When do I need to feel good, now or later?” We often…

1950s-era morgue that has not been remodeled since it was built [Brook Ward under a CC BY-NC 2.0 license] Women now tend to live longer than their male counterparts in every country in the world, but anatomy alone cannot fully explain why.  Looking to…