Ed. Note: After the prolonged comment thread in Harriet Hall’s review of this book in July, given the controversy, we were willing to consider a guest post offering another perspective. In this case, the perspective is very similar to Harriet’s, the main difference being primarily in emphasis.
As a dietitian working in the area of vegan nutrition, I see no shortage of outrageous claims about vegan diets. They come from both sides of the debate. Advocates for veganism sometimes ascribe unsubstantiated benefits to vegan diets while downplaying concerns about meeting nutrient needs.
On the other side of the debate are bloggers and authors who insist that a vegan diet is a dangerous choice and that it can’t support health over the long term. Prominent voices for this perspective include those whose health failed on a vegan diet and who eventually returned to eating meat, dairy and eggs. They are now on a mission to prove that humans require animal foods.
Mara J. Kahn is the latest author to try to capitalize on that story. Her book Vegan Betrayal has already been reviewed on Science Based Medicine and the nutrition information was deemed evidence-based. I came away with a different impression when I read the book.
I don’t feel any particular need to prove that a vegan diet is the only healthful way to eat; that’s not the point of veganism. The term was coined in 1944 by the founders of England’s Vegan Society and was defined as:
a philosophy and way of living which seeks to exclude — as far as is possible and practical — all forms of exploitation of, and cruelty to, animals for food, clothing or any other purpose.