Is it true falling on your head can cause a tumor? i hit my forehead 2 months ago but haven't had any problems,people have been saying that

No: It is not true that if you fall on your head. You will develop a brain tumor !!!! .this is a false statement . Depending on how hard you hit your head , you may suffer other consequences , such as contusion , concussion , clot in the head , ETC

No tumor: Trauma is not a carcinogenic factor so that injuring ones head can not induce cancer formation. On the other hand trauma can induce a site of TGF-B and platelet derived growth factor and Ive seen sites of trauma such a head, develop a hematoma followed by migration of tumor cells from a previous malignancy to the site of hematoma in the head or other site.