Because vitamin D plays a crucial role in many aspects of health and growth, inadequate levels can put children at risk of developing chronic disease early on.

Weight loss and diabetes drugs target regulatory pathways involved in metabolism that the microbes in your gut and certain molecules from food already play a key role in regulating.

The reasons are not fully understood, but changes in the gut microbiome are believed to play a role.

The appendix has independently evolved at least 32 times across 361 mammalian species. What makes it an evolutionary darling when it’s more of a medical liability today?