“Happiness is nothing more than good health and a bad memory” - Albert Schweitzer


Attaining and maintaining an optimum weight is best achieved by adopting a health-promoting diet of whole plant foods, free of added salt, oil, and sugar. Water-only fasting can be a powerful instrument to jump-start a healthy weight loss program by resetting the appetite to enjoy whole natural foods.

Educational Resources

TNHF Recommended: Starred articles are recommended by TNHF for reading

Safety, Health and Well-Being During Periodic Fasting


There are a growing number of recent publications on intermittent fasting (IF), generally lasting 16 to 48 hours, and calorie restriction (CR). Periodic fasting (PF), recently defined as lasting from 2 to as many as 21 or more days, is less studied in humans, especially for periods longer than 4 days.

How to Approach Dieting with Awareness

Chef AJ of Ultimate Weight Loss
In this highly informative interview, Chef AJ asks Dr. Lisle some key questions regarding weight loss and how to succeed at losing weight and keeping...

Intermittent Fasting and Weight Loss

Health Science

For many people, following a whole-food, plant-based diet is the key to maintaining optimum weight and health. However, for some of us, strictly adhering to a health-promoting diet as well as engaging in a regular exercise program is not enough to keep us where we want to be weight wise. We just like eating too much; or perhaps we have extremely efficient digestive systems; or our internal calorie counters are a bit off.