Originally Posted by cam_girls

no they are not known at all! No study has shown a link between eating meat and cancer, as the 5 meta studies showed!

There IS a longer life expectancy for Vegetarians, due to lower risk of heart attack and lower prevalance of smoking.

The cancer rate of non-smoking vegetarians = the cancer rate of non-smoking meat eaters

AND

The cancer rate of smoking vegetarians = the cancer rate of smoking meat eaters

As has been proven by numerous studies of the population.