What if gluten sensitivity doesn’t exist?

How can I possibility make that statement?  Two recent best-selling diet books have maintained that gluten makes us fat and dumb (1,2). Billions of dollars are spent on gluten-free (but carbohydrate-rich) food products.  And people feel better when they don’t eat bread. Before explaining my statement, let me make two things very clear.  First, I… Read more »

Why doesn’t exercise and diet reduce heart disease for diabetics?

That’s a good question after the June 24 issue of the New England Journal of Medicine reported on the failure of long-term diet and exercise to reduce heart disease in diabetics1. It had been known from earlier and shorter studies that diet and exercise in diabetics appeared to generate a decreased risk of cardiovascular disease…. Read more »

Good Diet, Bad Study

As the creator of the Zone Diet, I am a strong believer in the Mediterranean diet as a lifetime dietary program for good health. In fact, the Zone Diet can be considered to be the evolution of the Mediterranean diet as it provides even greater anti-inflammatory benefits. That being said, this week’s New England Journal… Read more »

Zone diet validation studies

Every now and then it’s worth going back over the published literature to see how the Zone diet stacks up in various areas of nutritional research.

What are we really entitled to?

For the past year the future of the American economy has centered on the word “entitlement,” especially in terms of health care. But no one is quite certain about what the word means.

No excuses, eat your breakfast

Everyone knows that breakfast should be the most important meal of the day. Unfortunately, no one seems to have time to consume a real breakfast.

Mythologies in treatment of childhood obesity

We all know that obese children tend to be inactive. This leads to the “obvious” conclusion that the solution to childhood obesity is simply more exercise. But what if that conclusion is totally wrong?

Ward off the common cold with exercise

There is nothing like fall in New England — the crisp air on your face, the changes in foliage and all the fun activities like apple and pumpkin picking.  Even though the calendar says the season lasts three months, the end of daylight savings in my mind signals the beginning of winter.  I think it’s… Read more »

Omega-3 fatty acids may reduce breast cancer risk

The list just keeps growing for the benefits of omega-3 fatty acids and overall health. The newest to the list is breast cancer. A study just published in the journal of Cancer Epidemiology, Biomarkers & Prevention surveyed approximately 35,000 postmenopausal women, ages 50 to 76, for their use of various specialty supplements (1). The 24-page… Read more »