Perhaps it's because most people who have been consuming cooked food have woefully inadequate hydrocholoric acid that has lead critics to saying that people can't digest raw food. However, it has been shown through gastroenterology that hydrocholoric acid can be completely reinstated through drinking raw green leaf juice 
"There is no such thing as a damp spleen" Dr. Brian Clement has declared. In his 52 years of clinical research on raw food nutrition Dr. Clement has not found any such thing as a damp spleen. Dr. Clement stated "I challenge anyone to prove to me that there is such a thing as a damp spleen" and went on to say "You have to realise that TCM did the best they could with the understandings that they had at the time. TCM was centuries before our understandings of Anatomy, Immunity, and Biochemistry".
The outlook is bright for raw food veganism. Not only is it incredible for our health, it is also incredible for the health of the planet. "Refusing meat is the single most effective thing you can do to reduce your carbon footprint".
In a massive 2006 environmental report by the U.S. Food and Agriculture Organisation, they stated "All the SUV's, Hummers, trucks, ships and planes in the world contritbute less to the problem than meat".
"The soot and debris that comes from cooking is the Number 1 source of air pollution in Los Angeles - above cars!" reported the LA Times Newspaper in 2002. "42% of air pollution over Asia comes from cooking fires, only 25% is from burning fossil fuels" reported a US news bulletin March 3rd 2005.
1, Ancestor of man exhibit. Natural History Museum, London.
2, Genesis 1:29
3, Did Cooked Tubers Spur the Evolution of Big Brains? Elizabeth Pennisi. Science, Volume 283, Number 5410 Issue of 26 Mar 1999, pp. 2004 - 2005
4, Dr Paul Kouchakoff. The Influence of Food Cooking on the Blood Formula of Man.
5, Brian Clement. Living Food for Optimum Health
6, Dr Frances Pottenger. Pottengers Cats
7, E. B. Forbes , The Ohio Journal of Science. Vol. 33, No.5 (September, 1933), 389-406
8, Weston A. Price. Nutrition and Physical Degeneration.
9, Gabriel Cousens, M.D. article; Living Foods
10, T.Colin Campbell. The China Study
12, Dr. Edward Howell. Enzyme Nutrition
13, Victoria Boutenko. Greens for Life.
14, Dr Brian Clement. recording, Hippocrates Institute.
15, Live Earth Concert Handbook
16, U.S. Food and Agriculture Organisation. Livestock's Long Shadow, 2006