I taught oncology for a while in grad school. It is very very well
established that a vegan diet reduces the incidence of cancer. I
believe
the raw living foods diet also reduces this by a factor of several
fold.

We do understand what causes cancer. It is not an unnatural process.
In
time all living things develop cancer when their immune systems fail.
In
humans this is designed to be at about age 120. Errors in lifestyle,
environment, and some genetics bring this on earlier. As I say it is a
universal disease of the immune system failing to destroy aberrent
cells.
I have posted a 27 page article on the web explaining all this at
http://www.lifeknox.com/cancer.html

Point being that we can do more ourselves with how we live and eat to
prevent, and probably cure cancer than can be done for us by any
system
of healing. Diet and  attitude, I believe, have more to do with
devoping
and or curing cancer than any other factors, including all that modern
medicine have to offer! I think if we had the money to do research on
this that this would be proven overwhelmingly. However, there is no
money
in it for anyone, so there is no push to do the research.

thanks

jerry