The formation of abnormal cells inside the brain often end in a brain tumour . Brain tumors are of two types: benign tumors and malignant/cancerous tumors. this suggests that each one brain tumors aren't cancerous but only the malignant type.

Malignant tumors are further divided by primary tumors which form inside the brain and secondary tumors which originate from elsewhere inside the body. The latter type is additionally termed as brain metastasis tumors.

Risk factors

A risk factor is anything which can increase the likelihood of developing a tumor in one's brain. While risk factors have a neighborhood to play in developing it, most of them don't really cause it. People with several risk factors may never develop a brain tumour while those with none may do.

Some of the common risk factors are:

Age: Though brain tumors are common in older adults and youngsters , anybody may develop them at any age.
Gender: Males are more likely to develop brain cancer than females; though certain sorts of it, as an example meningioma, are common only in women.
Exposures: the risk of developing brain tumors increases when exposed to pesticides, solvents, rubber, vinyl chloride and oil products.
Family History: About 5% of brain tumors may occur thanks to hereditary factors, like neurofibromatosis, tuberous sclerosis and Li-Fraumeni syndrome.
Seizures and head injury: Serious head trauma often end in the event of brain tumors.