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Why Do People Faint?

after so much thought on why people faint i decided to ask the question:why do people faint?do you have any experience?what led to it(fainting)?could you share your experience or how you think it could be handled.

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The basic physiology of fainting is related to the fact that when there is acute decrease in blood supply to the brain,

the body (by some primitive reflexes) tends to equilibrate the heart and brain levels to improve blood supply to the brain-- that's all.

The equilibration happens by falling flat, ie reducing the work of pumping blood from the heart (downstairs) to the brain(upstairs).

The pump works better when the 2 organs are on the same floor.

So, when next your friend faints, do him a favor, lay him or her flat for a while, until he wakes up or the emergency service arrives. Helping him to stand up "to prevent shame" may do him more harm.

Causes and cures of fainting are wide and varied.

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I fainted once it was due to dehydration and the fact that i dint eat for long like 2 months and was throwing up any liquid i took cause i was sick.I blacked out while walking

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I fainted one time during soccer practice, i think becos i was dehydrated and also it was over 100degree with a very high humidity.

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