Researchers at the University of California, Davis, have traced a deadly cat coronavirus in a way that changes what you think ...

Dear Dr. Douma: A few weeks ago, both my kids and I caught colds and got lumps forming in our necks. These were painful, but otherwise didn't seem to cause any problems. Now the lumps have gone away ...

Researchers have developed a new nanoparticle that can 'hitch a ride' on immune cells, or monocytes. Because of its tiny size, the particle can tag along directly into lymph nodes and help metastasis ...

Groin pain in men is commonly linked to muscle pulls, sports injuries, or minor infections. However, in other instances, ...