By setting aside animal-derived products—meat, dairy products, and eggs—you can reach a level of health and well-being that you may never have expected you could enjoy. … Although our work has focused on helping people trim down, conquer diabetes, cut cholesterol, and tackle other medical problems, it should be said that not everyone who decides to forgo animal products makes that choice for health reasons. Many people are concerned with how animals are treated by the food industries, and rightly so. And the environmental consequences of meat and dairy production should be of concern to all of us.

Introduction to The Get Healthy, Go Vegan Cookbook, Da Capo Press, 2010.