my knees hurt a little and when I move them sometime they pop. Is this a sign of long term knee problems?

my knees hurt a little and when I move them sometime they pop. Is this a sign of long term knee problems?I usually always were high hill shoes. When I change to lower ones thats when I notice the pain in my knees and my legs. What should I do to prevent long term knee problems?

- SLOMO
DON'T GROW OLD

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Orignal From: my knees hurt a little and when I move them sometime they pop. Is this a sign of long term knee problems?