Here's my two cents on vegeterianism. I'm allergic to pollens and dust. I've discovered that if I eat very little meat or dairy from about May to September, the reactions I used to have to endure for three months now only last two or three weeks. My theory is that the cumulative attacks on my immune system caused by natural allergens (dust, smoke, pollens) and chemical ones (animal growth hormone, steroids, antibiotics, pesticides in animal feed) give me headaches, congestion, and digestive upset. In short, the more vegan I go, the better I feel, and, incidentally, the less sick I get. I've found that meat from ptarmigan, moose, bear, mountain sheep, caribou, and deer don't cause me anywhere near the grief that meat from domestic sources do. I must admint, living in the Yukon, I probably have more access to these meats than, say, someone in Philedelphia.