If your scale doesn't reflect your healthiest lifestyle efforts, there could be a hidden reason you're gaining. Read on to see if the culprit of your unnecessary pounds is hidden in your health report.The frustration of seeing extra pounds on the scale-or of a too-tight waistband that you know used to fit-is understandable. But did you know that anything from a hormonal imbalance to vitamin deficiencies to the prescription meds you take can hold clues to what's making you fat?