Are you feeling tired or have trouble losing weight? Your thyroid may be the culprit. But is it a sluggish thyroid or could it be cancer? We reveal the red flags to look for so you can tell the difference. Shark Tank’s Daymond John shares his own struggles with thyroid cancer.

Whether it's falling or flying, Dr. Oz has the answers to why you have the dreams that you do and what they might mean.

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