Instruct: Classify a given Amazon review as either positive or negative.
Query: Sears Has Done It Again!

I am a firm believer in the "The Zone" diet as devised by Barry Sears. With diabetes being prevalent in my family history, I have good reasons to want to limit carbohydrates simply because of its ties to increasing the body's insulin and implications of higher risk for diabetes. Now Barry eloquently points to another very important factor in controlling ones weight and Omega 3 is a key component. He logically proves his theory throughout the book without pulling any punches. The only advice outside the book that I would give is that I found another source for high grade fish oil that is less expensive ...