Why brain tumor caused to human?
A brain tumor is a mass or growth of abnormal cells in your brain. Many different types of brain tumors exist. Some brain tumors are noncancerous (benign), and some brain tumors are cancerous (malignant). Brain tumors can begin in your brain (primary brain tumors), or cancer can begin in other parts of your body and spread to your brain (secondary, or metastatic brain tumors). First of all you have to show the patient to a qualified doctor for finding out what tumor it is exactly and the treatment can be started only after evaluation. The normal tests for evaluating, your doctor may do are – – A neurological exam. A neurological exam may include, among other things, checking your vision, hearing, balance, coordination and reflexes. Difficulty in one or more areas may provide clues about the part of your brain that could be affected by a brain tumor. – Imaging tests. Magnetic resonance imaging (MRI) is commonly used to help diagnose brain tumors. MRI uses magnetic fields and radio waves
