Hodgkin Lymphoma is a type of cancer that starts in the lymphatic system, which is part of the body's immune system. It occurs when certain white blood cells, called lymphocytes, grow uncontrollably. This can lead to swollen lymph nodes, fever, weight loss, and night sweats. The exact cause of Hodgkin Lymphoma is not known, but it can affect people of all ages, especially young adults and those over 55. Treatment often involves chemotherapy, radiation therapy, or a combination of both, and many patients can achieve remission with proper care.