Medically reviewed by Doru Paul, MD Key Takeaways Swollen lymph nodes are often a sign that your body is fighting an infection.Autoimmune diseases can also cause lymph nodes to swell.Certain ...

Stage 1 mixed cellularity Hodgkin lymphoma is often highly treatable, and many patients achieve long-term remission after ...

Blood tests are one of the most widely used and helpful tools in modern medicine. Whether ordered in a clinic or done through an at-home kit, they work by analyzing samples of your blood to uncover ...

TAMPA, Fla. (Oct. 22, 2025) — A large multicenter clinical trial published in JAMA Surgery shows that a gene expression profile–based test can reliably identify melanoma patients who have a low risk ...

This article was reviewed by Felix Gussone, MD. In this guide, we’ll break down what most biomarker lab tests measure, how to prepare for them, and what to do once you receive your results. Not ...