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Headaches can be provoked by stress, diet, dehydration, drastic weather changes, strong odors, loud music, or excessive screen time. However, sometimes a headache is a symptom of other health issues like allergies, the flu, a sinus infection… or a brain tumor.was experiencing persistent, splitting headaches when she first learned of her cancer diagnosis. Despite undergoing two successful brain surgeries, the tumor came back stronger.
"Headaches are the most common symptom of brain tumors. Headaches happen in about half of people with brain tumors. Headaches can happen if a growing brain tumor presses on healthy cells around it. Or a brain tumor can cause swelling in the brain that increases pressure in the head and leads to a headache," explains the Mayo Clinic.