Honestly, running's really taxing on the body, so if you know you have pain I would see your doctor. They might refer you to someone in sports medicine that can give you shoe inserts or something that'll help. I know lots of people, big, small, athletes, not athletes, sometimes need a little extra support.
But yeah, don't force it. You might really hurt yourself. After the doctor gives you the okay then I say go for it and just take it slow

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