Lymph glands can become swollen for many varying reasons, from terminal diseases like cancer to the simple flu. This symptom is related to the previous two, the three of which encompass a necessary process whenever an active illness appears in the body. Lymph glands are the number one defendants against any disease.
As such, they undergo a substantial increase in activity to enhance their functioning. The swelling occurs when glands expand to make space for more nutrients and large-scale immune processes occurring throughout the system. This change is the easiest to detect by locating the lymph glands on the sides of the neck, which will feel enlarged and slightly painful to the touch.
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