I am hitting the gym doing an hour of pure cardio and an hour of weights, not...

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...losing weight? I am doing 30 minutes of pure hard cardio. I hit the weight machines for about 45 minutes. Then I back to cardio for another hour. I do this monday through friday. I am not losing any weight. My current diet is 1 piece of chicken, a cup of green beans, corn, and brocoli. I am not losing any weight? I heard intervals work?