Allergies occur when your immune system overreacts to allergens like pet dander, pollen, mold, certain foods, or medications. Allergy symptoms may include a runny nose, congestion, coughing ...

A lymph node biopsy is when a doctor checks and removes a small piece of tissue or sample of cells from one of your lymph nodes. The doctor sends this to the laboratory and a specialist doctor called ...

Sinus bradycardia, or a slow heart rate, can be a sign of cardiovascular health in healthy young adults and endurance athletes. It can also be a sign of an underlying condition requiring medical ...

Lymph nodes are part of the body’s immune system. A swollen lymph node in the armpit may be a sign of a bacterial or viral infection, an injury, or a serious health condition, such as cancer.

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.

Amanda Gardner is a health reporter whose stories have appeared in cnn.com, health.com, cnn.com, WebMD, HealthDay, Self Magazine, the New York Daily News, Teachers & Writers Magazine, the Foreign ...

As a result most adults have a tiny lymph node or two that are about the size of a pea, they can feel quite easily, and as long as the node stays the same size, and you don't develop any others ...

OTHER NAME(S): All-E-Lutein, Beta,epsilon-carotene-3,3'-diol, E-L ... Show More OTHER NAME(S): All-E-Lutein, Beta,epsilon-carotene-3,3'-diol, E-L ... Show More There ...

When you have SLL, too many ineffective lymphocytes live and multiply in your lymph nodes. These are pea-sized organs in your neck, groin, armpits, and elsewhere, that are part of your immune system.

Repeat twice a day. A nasal rinse can loosen thick or excess mucus. It’s also known as a sinus rinse, sinus flush, or nasal irrigation. Nasal rinse products are available at the drugstore.