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Planning some changes in the new year? Expert says make BIG ones to succeed

It's that time of year when many of us plan to eat better, exercise more, lose weight, watch TV less...the list goes on. Prof. Chris Wharton of Arizona State University's College of Health Solutions has a surprising suggestion: Change as many things as you can all at once. Tracy talked with Prof. Wharton about his ideas and why they might just work. A few websites he suggests: