A member asked:

What can cause feeling tired and really light headed i'm 18 i have been gettting about 7 or 8 hours of sleep i eat normal and i'm suposudly healthy?

A doctor has provided 1 answer

Fatigued and dizzy: Fatigue and dzziness can be caused by many different things, including dehydration, viral infections, anemia, thyroid disease, hormonal imbalances,, anxiety/depression, etc. etc. Your physician should be able to help you sort this out with some simple tests and an examination.

Answered 8/7/2014

3.8k views

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