It's made up of a complicated network of cells and organs. It protects the body from infection, cancer, and other conditions. Lymph nodes are part of the immune system. They send out lymphocytes.

Human brains contain higher concentrations of microplastics than other organs, according to a new study, and the amount appears to be increasing over time. In the study, published in early ...

Copyright 2025 The Associated Press. All Rights Reserved. The outgoing deputy commander of the UN peacekeeping force in Lebanon was injured Friday after protesters ...