Does anyone else have the same joint problems?

Tissivest
I'm only 18 and I have knee pain (sometimes the pain stretches down to my ankle and up the my hip, usually it's the left leg). I feel so old and helpless and don't know what to do. I can't afford any doctor bills or expensove medicine, so I'm hoping this could all be resolved somehow.
Has anyone here encoutered the same problem?

PS: the pain kinda tends to go away if I drink more water, is that normal? If water can help, then I want to know why and if water can fix the whole situation.

Does anyone else have the same joint problems?
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