May be that the site is filled with links to subjects that are controversial and that many would categorize as conspiracy theory but please, take a look at this:
For me, this is closer to the truth than any of those recommendations coming from the authorities. 13,5 months of dedicated free-time reading on this issue and I am quite sure this fellow has got it all right. Heck, he's a heart surgeon, he sees the inside of people everyday.
Interesting website, if you really start surfing around...