3. You Have a Job That Requires Sitting All Day

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Even if you work out regularly and lift weights a couple of times each week, sitting down all day allows your body to start breaking those muscles down.

Obviously, you can’t quit your job, but you can fight a slower metabolism by getting up and moving around for a few minutes every hour or so.

This can be as simple as walking around the office or do a few light stretches in your office.

Your Diet is Low in Protein