Schmorls nodes are herniations of intervertebral discs that push on the adjacent vertebrae. They are most often painless but can sometimes cause acute lower back pain. Schmorl’s nodes, or ...

The popliteal lymph nodes lie in the tissues behind a person’s knee. Infections and autoimmune conditions can cause them to swell. It is rare for cancer to affect the popliteal lymph nodes. According ...

Swollen supraclavicular lymph nodes may occur as a reaction to infection or due to metastatic cancer. This type of swelling typically occurs just above a person’s collarbone. Lymph nodes are part of ...

Swollen lymph nodes may result from an infection or illness. If they last for a long time or occur with other symptoms, you may need medical care. Treatment is specific to the cause of the swollen ...

Maggie O’Neill is a health writer and reporter based in New York who specializes in covering medical research and emerging wellness trends, with a focus on cancer and addiction. Prior to her time at ...

Bitcoin (BTC) is a decentralized peer-to-peer network made of computers, or nodes, that run the Bitcoin software and accept a set of proof-of-work (PoW) consensus rules to validate and broadcast ...