What could this issue be and should I cut back or completely stop running?

My knees are feeling strange. I run a 7-1/2 minute mile 2x per week. I started at a 10 minute mile back in January and was able to achieve a 7-1/2 minute mile at this point. My goal was a 7 minute mile. But, my knees are starting to feel strange. I’m a 34 year old male. What could this issue be and should I cut... show more My knees are feeling strange. I run a 7-1/2 minute mile 2x per week. I started at a 10 minute mile back in January and was able to achieve a 7-1/2 minute mile at this point. My goal was a 7 minute mile. But, my knees are starting to feel strange. I’m a 34 year old male. What could this issue be and should I cut back or completely stop running?
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