INTERESTING: Prevent fainting by drinking water?

http://nutritionfacts.org/video/how-to-prevent-fainting

How to Prevent Fainting

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Syncope, otherwise known as fainting, is the sudden, brief loss of consciousness caused by diminished blood flow to our brain; that occurs at least once in about one in five people, and in about one in ten may happen over and over, responsible for millions of emergency room visits and hospitalizations. Though sometimes fainting can be caused by heart problems, most often it’s triggered just by standing (because blood pools in our legs) or strong emotions, which are called vasovagal reactions. Under certain circumstances, such as blood donation, syncope has important medical and societal significance. More than 150,000 people experience fainting spells or near-fainting spells each year when they’re giving blood. So, it would be good to find a way to avoid it. But, if you think that has medical and societal significance, what about fainting when you’re driving? It goes without saying that losing consciousness while driving can pose a serious threat to the patient and society. Of a group of folks getting tested for it, 9% reported they had lost consciousness while driving.

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Is there anything we can do to prevent the symptoms in the first place? Do we have to wait until we’re all dizzy, clammy, and nauseous? Well, speaking of cheap, safe, and effective, just drinking water can prevent it. So, if you know needles make you whoozy, five minutes before you get stuck, chug down two cups of water, which can dramatically bring pressures up within minutes in people who are predisposed to fainting, and has similar effects in normal healthy adults.

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I’m astonished. I never knew this. While I never had any trouble donating, I’ll keep this in mind.

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