Fat Burning Science: Metabolism, Medications and Health Risks

How does your body burn fat during ketosis and aerobic exercise? Factors like depression, medications (Neurontin/Celexa), and thyroid levels (TSH) significantly impact your weight loss progress.

Mary Kay's before photo.

How Mary Kay Z. Lost 35 Pounds

Mary Kay Z. shares her secrets to going from "big girl" to "bad-ass athlete" -- you may be surprised at what they are!

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