Name an alternative medicine and it almost certainly HAS been looked into and debunked. These people are True Believers. They don't let pesky things like scientific dismissal of their ideas get in their way.
I like the way you use the word 'scientific' as if it's the ender of all doubt for rational people and anyone that questions it isn't. Scientific method in itself is great but that doesn't mean that the people using it are.
Overall I have a lot of faith in science but when there are multi billion-dollar markets involved like the one pharmaceutical companies are in, there tend to be some less than scrupulous people around and as a result it wouldn't surprise me if results are skewed for the sole purpose of maintaining their hold on the market. Put simply, if someone managed to make a pill that could cure everything, do you really think that they'd sell it?
Now before someone jumps on my back, I'm not saying that it necessarily happens or that there aren't good people that really want to help, I just think it's worth considering other options (even if you end up discarding them) and where it is that other people's interests lie... though I admit that it sometimes takes a long time to reach any conclusions on what it is I believe ;-)
