Why do some people pass out on roller coasters?

You may have seen the videos of riders on a roller coaster. They will be having fun and screaming, and then suddenly they pass out for a few seconds before regaining consciousness.

Bari Musawwir on Instagram: If you asked us if we make these same

Can a Roller Coaster Cause a Stroke?

You won't get wet they said! #oakwood #waterslide #themepark

Guys Passing Out Funny Slingshot Ride Compilation

We rode all 12 roller-coasters at Six Flags Great Adventure to

Guy Passes Out On Slingshot Ride - #funny #fail

Why do people pass out on roller coasters?

Jack & Neville (2).mp4, Jack & Neville (2).mp4

Roller coaster riders in Crandon, Wis., were stuck upside down for

This Little Girl Kept Fainting On A Roller Coaster And Her Dad