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 ...

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 ...

Lymphedema risk varies significantly by cancer type and lymph node removal extent, necessitating personalized risk assessments. Misconceptions about lymphedema precautions, such as avoiding blood ...

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 ...

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 ...

woman who dismissed blood in her stool as hemorrhoids was diagnosed with stage three colon cancer. Meagan Meadows, 24, ...