Not only is there major disagreement over the amount (and type) of protein we should be eating, but there's wild disagreement over the role of fat, the importance of carbs, the value of exercise, the need for calorie counting, and just about anything else you can think of.

What do Kate Middleton, Victoria Beckham and Kourtney Kardashian have in common? A nasty three-letter word. Can't figure it out? It's F-A-D. As in fad diet.

Unless you're on a media-free diet, you've probably heard the news about the 15 pounds college students supposedly pack on freshman year. Just in case you missed it, the "Freshman 15" has been deemed nothing but a media myth.

What controls the expression of genes that lead to health and disease events? Experimental and extensively published research from my lab has convinced me that nutrition provides this control.

Do multivitamins cause breast cancer? An observational cohort study conducted in Sweden, recently published in the American Journal of Clinical Nutrition, suggests they may.