Brain Tumors

Decent Essays
A brain tumor or intracranial neoplasm occurs when abnormal cells form within the brain. There are two main types of tumors: malignant or cancerous tumors and benign tumors.
Secondary or metastatic brain tumors are more common than primary brain tumors, In children younger than 15, brain tumors are second only to acute lymphoblastic leukemia as a cause of cancer. In Australia the average economic cost of a case of brain cancer is $1.9 million, the greatest of any type of cancer.
Signs and symptoms
The signs and symptoms of brain tumors are broad. People with brain tumors will experience them no matter if the tumor is benign or cancerous. Primary and secondary brain tumors present with similar symptoms, with symptoms depend on the location, size, and rate of growth of the tumor. For example, larger tumors in the frontal lobe can cause changes in the ability to think. However, a smaller tumor in an area such as Wernicke's area can result in a greater loss of function.
Intracranial pressure is usually the first sign of a brain tumor and it can cause persistent headaches. These headaches may not respond to headache remedies and they may be accompanied by vomiting. A tumor in any of these lobes may affect the area's performance. The location of the tumor is often linked to the symptoms experienced but each person may experience something different.
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Discounting claims that current cell phone usage may cause brain cancer, modern, third-generation phones emit, on average, about 1% of the energy emitted by the GSM phones that were in use when epidemiological studies that observed a slight increase in the risk for glioma – a malignant type of brain cancer –among heavy users of wireless and cordless telephones were

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