The Zone diet argues against USDA food pyramid, which recommends grains and starches up to five servings per day. This is its most high-profile argument. The American Heart Association considers Zone "a fad diet". FAD 8. It depends on special products, supplements and treatments

One Zone bar (or shake) is $2.50. A 45-day supply bottle of Omega Rx concentrated fish oil is $78.15. The figure for Zone books ranges between $6 and $26 (at Zone Labs online shop); FAD. 9. It makes miraculous claims

The Zone will help you to: * lose up to 1.5 lbs body fat per week * improve your insulin level (which should particulary be ... "not too high not too low") * fight against "modern diseases" such as type II diabetes and blood vessel affections * fight against "mental illnesses" such as depresion and alcoholism * prevent "certain" cancers * "restore energy", says Dr. Sears in his book, Enter Zone, "especially if you have CMS, PMS or even HIV infection" and... * The Zone itself is defined as a state of well-being in which you do not experience hunger, fatigue or moodiness. Your body and mind function sharply at their "peak level".

The Zone is a FAD diet in this respect. 10. It relies on testimonials and success stories rather than scientific proof

Dr. Sears says "Let me be a little more specific about rewards you'll reap from staying in Zone" ("Enter Zone", p. 4). A few paragraphs later he tells happy stories of Steve Courson (a famous National Football League player in late 1970's), his teammate John Corb and Dr. Chris Kyriazis, head of European Marketing for IBM. I believe these examples are not specific but unusual. Moreover, Dr. Sears' Zone diet is mistrusted by most dieticians and nutritionists as so far he has not published any relevant, professional research to sustain his theory. FAD again.

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