Brain can be affected also by bacteria.
the element mercury can cause brain damage of kidney damage which could be fatal
No diagnosis of a brain tumor doesn't mean that it will result in fatality. There are many different types of benign tumors that can affect the brain that wouldn't result in fatality even if considered inoperable. However, some of these can impact certain body functions depending on size.
Yes, it can be fatal.
It can affect it by certain parts of your brain controls your lung movements so if you hit that part it can be fatal by possibly stopping your lungs or any other part.
it is not always fatal
Fatal
Not usually. However life is always fatal.
Not always.
Damage to the cerebral cortex is least likely to be fatal; damage to the medulla is most likely to be fatal.
Prior to the discovery of penicillin antibiotics, bacterial pneumonia was almost always fatal
In 80-100% of cases involving brain rupture, the patient dies
Severe trauma is the most likely to be immediately fatal. However, any condition that affects the brain can cause death.