Medical imaging tools have come a long way since the humble x-ray, but most existing tools remain too coarse to quantify numbers or specific types of cells inside deep tissues of the body.

For over a century, scientists have speculated about the existence of cells with functions similar to those of the newly discovered EndoMac progenitors, but they had never been identified—until now.

In future work, Muir and Stansbury hope to look at even more time points leading up to obesity and try to more precisely define the different types of macrophages in fat tissue and their functions, ...

Not everyone has cancer cells in their body, but they may develop due to different factors such as genetics, exposure to certain environments, and lifestyle choices. The body has a natural ability ...

A new study has found that many patients with COVID-19 produce immune responses against their body's own tissues or organs.