I believe that people don't want to do what is necessary to help themselves and keep waiting for a magic pill that will do the work for them. I know it's hard to break habits and addictions especially when corporations know this and play an excellent part in making their stuff addictive so they profit more. With all the science in the world it still takes our own action and discipline to change. Please take a look at this documentary, it gave me another perspective on my lifestyle and maybe interesting for you to. It's call 'what the health'

http://www.whatthehealthfilm.com