Other scientists have discovered why patients who undergo radiation therapy for brain, head or neck cancer suffer from some mental decline.
External or internal radiation therapy can often cause damage to the salivary glands, leading to a permanently dry mouth.
She followed the surgery with radiation therapy and was soon declared cancer free.
Chemotherapy may also make the body less tolerant of the side effects of other treatments such as radiation therapy.
If the leukemic cells have spread to the brain, radiation therapy can be given to the brain.