I dont care about the FDA because it is a very much political and biased agency, and I dont live in USA.. but some good experiments and investigations with well designed methods is more the type of info that can give something credibility.
Im also very interested in ways of being healthier and so on, and it doesnt have to be announced by the mainstream for me to believe. But there are loads of nonsense on the internet too, so its good to have the crap-meter on.
I had heard about alkalinity of food before from some people in the university where I used to study, and it was something called 'Biochip'. Its these people that believe in only eating 'alive' food, nothing in decomposition state, not even cooking things (only maybe light vapour heating or these kind of things). They ate a lot of germinated seeds, sprouts and so on.. They talked about how cooking process made products acidic, and there was a whole quite sound reasoning behind it.
The main woman, Ana Branco, was quite an intelligent person, and she never asked people to believe in what she said, that everyone should check for themselves.. Also they never claimed it cured cancer, though there was one case there when a friend of mine was taking the class (it was an optional class one could take), a woman had a very bad intestine cancer, and participating on the class she changed from one day to the next her eating habits and only ate 'alive' food. She said for a while it hurt to go to the bathroom and it smelled very bad, but then after 6 months, the doctors examined and the terminal (I think, or at least very bad) cancer she had was completely gone, and they couldnt explain it.
Its one more of these odd stories out there, and its no proof, but it makes one wonder. Loads of spontaneous remission of cancer are related to very dramatic life changes, of eating habits, relationships, etc etc. Cancer seems to have a greatly emotional and general health-related aspect, but its hard to pinpoint any specific cause or cure, as its a network of 'unharmonious/unhealthy' forces that act and certain weak points of the body allow for the appearance of cancer. I mean, if you think about it, cancer is basically mutated cells that have 'forgotten' their unity to the body and begin to multiply and grow 'selfishly'. Like us humans somehow (though it also seems we can 'work as an organism', and this is what I think we all hope)