Each year, some 50 million Americans go on diets for weight loss. That means about 30 billion dollars is being spent each year on diet foods, diet sodas, diet books, diet videos, diet cassettes, fitness clubs, and related diet services.
Recent studies from Harvard School of Public Health indicate that the risks of diseases, such as type 2 diabetes and coronary heart disease, are strongly related to the glycemic index of the overall diet.
Hunger is a feeling that can be brought on by one of several mechanisms. One such mechanism for initiating hunger is a low level of sugar (glucose) in the blood. When the blood glucose level falls below normal, hunger is a response.