Over 80 % of people who lose 10 % or more of their weight will regain it , and for all the new treatments , that number has n't really improved in a generation . Michael Rosenbaum : Dr. Michael Rosen says there 's no long - term miracle weight loss pill . Oz : 90 % of adults are overweight or obese ; Americans need to lose weight . He says obesity prevention starts in the home , school , community , and at early age . Oz : Schools should provide strong health and physical education to students .
Michael Rosenbaum : Dr. Michael Rosen says there 's no long - term miracle weight loss pill . Oz : 90 % of adults are overweight or obese ; Americans need to lose weight . He says obesity prevention starts in the home , school , community , and at early age . Oz : Schools should provide strong health and physical education to students .