During the Grammys, Katy Perry was looking pretty va va voom. While I was in Grammy Twitterland, I found ooglers reporting that she’d been hitting the gym and following The 5-Factor Diet.

Overview
From John Mayer to Kim Kardashian, creator Harley Pasternak has built himself a sweet Hollywood client list. His plan promises to lower insulin levels, provide you with more energy, ignite metabolism, improve mood and reduce stress by using the magic number 5 (i.e. 5 meals a day, exercise 5 days a week).

Paternak is educated in and has experience in the field of nutrition and exercise. He earned his Masters of Science in Exercise Physiology and Nutritional Sciences from the University of Toronto, and an Honors Degree in Kinesiology from the University of Western Ontario. He has also worked as a nutritional scientist for the Canadian Department of National Defense.

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The Food Network Kitchens has come up with its annual list of the top trends that will define 2012 in food. Check out one of the trends here, then visit Food Network’s Dish and Cooking Channel’s Devour for the rest of the list.

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Which diet is best? We broke down the latest research.

Over the past two decades, diet crazes have flip-flopped from low calorie to low fat to low carb to high protein. Somewhere along the way, the high-fat “Mediterranean” style also gained popularity. So which of these conflicting concepts is the best for weight loss? There hasn’t been solid research to investigate the long-term results – until now. A recent study charted the progress of more than 800 subjects on 4 types of diets for two years.  We’re breaking down the results.

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