Dr. T. Colin Campbell, PhD at the Healthy Lifestyle Expo in 2013.

There are three macronutrients in food: carbohydrates, fat and protein, ‘macro’ in the sense that they comprise almost all of the weight and calories of food. Vitamins and minerals are the micronutrients.

It seems that no other public health problem gets more attention than the topic of obesity.

According to a journalist for the prestigious journal Science (November 29, 2013), “Cholesterol….when metabolized by the body…turns into a potent estrogen-like molecule that spurs the growth of breast cancer in mice, and perhaps in people.

In your bestseller The China Study you described a relationship between the consumption of animal products and the incidence of diseases such as cancer…

Some writers claim that protein is protein, be it animal or plant, except for the way that animals are treated. How do you respond to this?

We have information that the primary difference between animal and plant proteins is their amino acid profiles and it is those profiles that direct the rates at which the absorbed amino acids are put to use within the body.

The latest version of the Dietary Guidelines for Americans was recently published by the United States Department of Agriculture (USDA) and, except for some minor adjustments in format and design, and the addition of two new guidelines

The problems we face in our healthcare system are widely known and they are serious.