A persistent lump or swelling may not always be a simple infection. An expert explains the early warning signs of soft tissue ...

Add Yahoo as a preferred source to see more of our stories on Google. Those stiff, painful spots can take up to two weeks to go away on their own. Sophie Walster/iStock via Getty Images Plus Imagine ...

It's a debate that science has yet to find a definitive answer to—but here's what to do if you get one. Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal ...

A soft tissue sarcoma (STS) is a malignant tumor that starts in soft tissue such as muscle, deep skin tissues, cartilage, or fat. It often occurs as a lump in the arm, although it can happen anywhere.

It's almost second-nature for me to grab or tug at the nagging muscle knot that lives on my upper back — but shifting my impulse to more of a massaging movement could have a better outcome. While ...

Soft tissue sarcoma is a type of cancerous tumor that forms in the body’s soft tissues, such as muscle, fat, fibrous tissue, and blood vessels. If it occurs in the shoulder, it might feel like a ...

Imagine you've just completed a tough upper-body workout. Your muscles feel a bit tired, but all in all you're able to go about the rest of your day just fine. The next morning, you wake up and ...