If I recall correctly, there have been extremely simple and wonderful cures for cancer that had been found a few years ago, but the medical field completely disregards them because they're unable to make any money off of those methods.
I could be totally off here, but I remember reading something about it.
Here's what I got from a quick google search: http://nutritiondietnews.com/canadian-researchers-obtain-a-simple-cure-for-cancer-but-major-pharmaceutical-corporations-arent-interested/853757/








