No matter how much i drink, the colours of the alcohol involved or whether i mix a whole range of beverages i never get hangovers. I always wake up fresh as a daisy the next morning.

Linked to this is the fact that i have never had a headache of any kind. Whether from alcohol consumption, loud noises, heat, illness etc.

I was wondering if anyone knows a reason this never happens to me...not that i'm complaining! 

I know causes of headaches range from migraines to brain tumours, but what is the most common cause and how may it be prevented?

What brain functions that occur in the right hemisphere, could explain this swop?

I get migraines that are located in that brain hemisphere and I wondered if there was any connection between this, emotion and also cell phone creating the same effect, if held up against the side of the head long enough.