you lose brain cells
Hard Head happened in 1988.
Depends on how hard you hit it.
There are many people who have been hit in the head by a baseball. These people will say it hurt.
you die
Could be a concussion, or you could be suffering from shock waves coming to and from your brain. Try squeezing your fists, and then rub your temples.Anytime you hit your head hard enough to cause dizziness and vomiting you have the possibility of a serious concussion - you should be evaluated by a physician, in person.
you will have amnesia
you will have a canser and die
You might die.
a penis
All the blood in you body could not fit into your head.
The only way to diagnose hard lumps on the head is to see a physician. They could be from many different causes.
It could do, but not necessarily. It could depend on how hard you banged your head and also the cause of your seizures.