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Fainting 101: Why does it happen?

Fainting is a spontaneous loss of consciousness, and could result in passing or blacking out.

What causes fainting?

Fainting is usually a result of a combination of factors, including low blood pressure or low blood sugar, which can cause dizziness or lightheadedness.

Tips?

If you feel dizzy or lightheaded, it’s a good idea not to get up too quickly, as this could bring on a fainting spell. Staying properly hydrated and maintaining a healthy diet can help prevent fainting. If you do faint or often feel dizzy, you should let your healthcare provider know right away.


Sources
  • “When the lights suddenly go out.” Harvard. Harvard Health Letter, Harvard University, Aug 2009. Web.
  • Mayo Clinic Staff. “Feeling faint? What to do.” Mayoclinic. Mayo Foundation for Medical Education and Research, Dec 2014. Web.

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