What causes getting light headed?

when i stand up i get light-headed and i feel like im about to fall over. and then after about 10 seconds im fine.

For the last couple days I feeled light headed like im going to fall. Or my head hurts bad but only on 1 side. And this happe...

After I eat 1 or all 3 things happen! 1. I get light headed 2. Headaches 3. Turn red and get very blotchy all over my face,...

So all my friends smoke cigs, and my one friend always get light headed then feels sick after wards. Why? Are they suppose t...

I was jumping off a big tall rock into the water. A man said he checked for rocks, and there wasn't any. But, I found one.....

There's a sharp pain and headaches that I get quite often, especially in the back of my head sort of on the left side. Also, ...

its like i cant catch a break with being hurt ill or something worse i feel so depressed cause im scared i got a blood clot....

Well lets see, I've been light headed for about 4 years now and I have low iron but its gotten worse. I was never really wor...

Can you get pregnant if you give head to a guy, kiss him. Then he goes down on you. Cause I already had my period but it went...

i want to get contacts and i've heard stories that they can get lost if you sleep with them like get lost in your head or s...