This is the reason for the common but misguided advice that if you are trying to lose weight, you should weigh yourself only infrequently rather than daily. This is poor advice because if you compare only two measurements, say one week apart, the randomness of your scale’s behavior and the fluctuations in your own weight together will add error to both estimates and create a substantial risk that the comparison will be entirely misleading unless your weight change has been large enough to overwhelm these inconsistencies. A better, if compulsive, approach would be to take frequent measurements
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