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Brain tumors can develop at any age, but they are most commonly found in people over the age of 55. While the exact cause of brain tumors remains unknown, there are several factors that may increase a person's risk, including genetics, radiation exposure, and certain environmental factors.
Pediatric Brain Tumors
Brain tumors in children are rare, but they can occur. Most pediatric brain tumors are a type of tumor called gliomas, which are classified based on the type of cells involved. Low-grade gliomas are the most common type of pediatric brain tumor, and they tend to grow slowly and cause fewer symptoms than high-grade gliomas. High-grade gliomas are more aggressive, and can cause severe symptoms.
Adult Brain Tumors
Brain tumors in adults are more common than those in children and are often classified as either primary or secondary tumors. Primary brain tumors start in the brain, while secondary brain tumors are caused by cancer that has spread from another part of the body. Primary brain tumors can be benign (non-cancerous) or malignant (cancerous). Benign tumors tend to grow slowly and do not spread to other parts of the brain or body, while malignant tumors can spread quickly and cause more severe symptoms.
Risk Factors for Brain Tumors
Although the exact cause of brain tumors remains unknown, there are several risk factors that have been linked to an increased risk of developing a brain tumor. These include age, family history, and exposure to radiation or certain chemicals. Additionally, certain genetic conditions, such as neurofibromatosis and tuberous sclerosis, can increase a person's risk of developing a brain tumor.