I get migraines all of the time. I wish I knew what caused them. 
There isnt any real cause to migraines, they are just intense headaches that are severely debilitating but they seem to be genetic
That would make sense. My mom gets them alot. Drinking lots of water seems to help. 
Yea a lot of migraines are just headaches but more intense and severe though a lot of headaches are simply from being dehydrated
Yeah I've also heard that they can be caused by stress.
Thats a big factor too, they affect usually only one side of your head but they are painful and pulsating
I know another thing that seems to disinghish them from headaches is that the pain sometimes migrates. Hence the name!
Yea and they can even cause nausea and vomiting