You’ve probably had swollen glands at some point in your life, such as when you’ve had a cold or other infection. Swollen glands are actually swollen lymph nodes, which are often reactive lymph nodes.

The thymus is the organ in which T cells*1) differentiate. T cells express various T cell receptors for reacting with various pathogenic microbes and viruses. However, the thymus generates ...

People should not delay getting a mammogram because of a recent Covid-19 vaccination, a new study says. It’s common for mammograms to pick up swollen lymph nodes, also known as lymphadenopathy, after ...

When the body fights an infection or injury, lymph nodes sometimes swell. Doctors call this a reactive lymph node. Treatment can depend on the cause. Lymph nodes house white blood cells. These cells ...