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dfreinc t1_je9x5yo wrote

going to a blood test dehydrated is like 'don't do #1'.

i remember we used to have blood drives at an office i worked at. i was super young. but everyone went to go give blood so i tagged along because why not give blood, that's a good person thing to do. so i went and it was like 10am and all i had was a cup of coffee since like 7am. probably didn't even drink any water the night before because i was terrible about drinking water when i was young.

made that mistake one time. 😂

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edtb t1_je9vi9z wrote

True. Makes giving blood substantially easier.

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Salty_Bench8448 t1_jea6ccc wrote

But not like 3 liters in 1 hour, be reasonable so you don't end up with electrolyte imbalance.

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Armani-X t1_jed7a79 wrote

Medical Lab Tech here. Can't stress showing up hydrated enough. Also avoid caffeine if you can help it.

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keepthetips t1_je9svps wrote

Hello and welcome to r/LifeProTips!

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Zeshicage85 t1_jedte4a wrote

If you drink water your blood will seem weak. So what you do is save up some of your blood in the fridge for a few weeks, then drink that.

Boom! Guaranteed to make the blood nurses all hot and bothered by your manliness.

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