LOL! Dude, common sense aint so common you know. 
BTW, have ya tried to do that hand in  water thing on your sleeping buddies b4? Makes them lose control and pee in their sleep apparently. Wonder if it works on women same as men...?

Good question and I think revealing of human psyche. Generally i think people  wanna have one single thing to blame for whatever their condition is, weightgain lah, some old age pantanglah, weight loss lah, mati pucuk lah...senang what, if can just blame cold water and cut it out of your life. As if so easy lah... Like we humans are some single cell organism or something that don;t live in complex systems...

Insightful post. Ok, i'm gonna pose a question though. I'm not dissin' my own people, but i'm curious why is it more common among Asians compared to Westerners? This aspect of the human psyche you elucidated?

I have to disagree.

Grandfather drinks cold water (stount, beer, whisky, whatever) all the time.
Morning cold, afternoon cold, night cold, after wake up, cold, anytime, cold.

He's 78, no problemo, cept that he smokes and his lungs are gonna look black like soot and I'll probabbly keep his lungs and frighten (BOO!!!!) my children on the potential harms of smoking.

Late-grandma drank cold water all the time. People said she'll kena those creaky bones and all that hoohah, nope, she died of stroke at a strong 72. Love that old woman.

Ronnie Coleman, drinks his fluids icy cold after his workout.

F1 racers, if you look at their bottles, the water is cold. Condensation on the walls of the bottle.

I hardly think cold water's gonna affect you. Eskimos drink cold water ( i shud suppose), don't see them dying like flies after a elephant fart party.

so err i tried the hand in ice water thing on my friend, he woke up. how do you get their hand in the ice water without waking them up?

am i supposed to use normal room temp water or cold water?

they are supposed to be in deep sleep first, and i think u can use warm water or cold water.

ah, then i cant do it on someone who's daynapping. i guess i'll have to try to ninja it up on a weekend night then.

but is really bad for young people (age 1-18 growing age). Your body will show green blood stream under your skin. If you drink only cold water.

You know, you remind me of this story I heard from my uncle who was studying vet med in UPM. He had a classmate (who was 24 at the time) who actually thought hot dogs were made of dog meat! Everyone laughed until they reailsed that she was serious, then they laughed even harder.

Your parents probably told you that little fairy tale when you were young so that you'd keep your grubby mits off the fridge and not hurt yourself. How can there be a correlation between cold water (that goes into your stomach), and your veins (or green blood stream as you so eloquently put it).