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 ...

The first noticeable symptom of lymphoma is often a painless swollen lymph node in the neck, armpit, or groin, depending on where cancer starts. Early lymphoma symptoms can look like the flu, ...

New sero-genomic research suggests hidden mpox exposure in healthy Nigerian adults, highlighting residual smallpox immunity ...