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 »

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.

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?

Blame weight gain on the brain

If you are apparently addicted to food, the answer may very well lie in an anti-inflammatory diet coupled with high-dose fish oil.

Try the team approach to nutrition

One of the problems with nutrition is that it is too complex for simple thinking. Unlike drugs, which are designed to inhibit a particular target enzyme, nutrients often work in combinations like a team operating at the genetic level. When you try to apply drug-like thinking (i.e. one compound has to do all the work)… Read more »

Increased satiety: The real secret to weight loss

Satiety is defined as lack of hunger. If you aren’t hungry, then cutting back calories is easy. Unfortunately, Americans seem to be hungrier than ever. This is not caused by a lack of willpower but due to hormonal imbalances in the hypothalamus that tell the brain to either seek more food or spend time on… Read more »

Does living longer mean living poorly?

America has the highest health-care costs in the world. But are we really living better as a consequence of this massive cost? The January 2011 issue of the Journals of Gerontology says maybe not (1). There is no question that Americans are living longer, but our years of disease-free and functional living are declining faster…. Read more »

Eat your breakfast

You’ve probably heard it a billion times. “Don’t skip breakfast!” But most Americans, adults and children, are not heeding this advice. There are a bunch of reasons why you should eat breakfast within one hour of waking. And it’s even better if the meal is Zone balanced – the correct amount of lean protein, low-glycemic… Read more »

Give your second brain a chance

Most people think of the brain as the primary organ that does all of the information processing for the body. Actually, you have a second brain that is just as important. This second brain is your gastrointestinal (GI) tract that constantly senses dietary input and sends the resulting information to the brain to tell it… Read more »