Not Convinced That The FDA Is Purposely Suppressing Natural Cures For Diseases, And Allows Drug Manufacturers To Sell Ineffective And Dangerous Drugs? Then Read:

Innocent Casualties: The FDA's War Against Humanity by Elaine Feuer:
http://www.amazon.com/exec/obidos/ASIN/0805938192

Stop the FDA: Save Your Health Freedom
by John Morgenthaler (Editor) & Steven W. Fowkes (Editor):
http://www.amazon.com/exec/obidos/ASIN/0962741884

Hazardous to Our Health? FDA Regulation of Health Care Products by Robert Higgs:
http://www.amazon.com/exec/obidos/ASIN/0945999410

Protecting America's Health: The FDA, Business, and One Hundred Years of Regulation
by Philip J. Hilts:
http://www.amazon.com/exec/obidos/ASIN/037540466x

The History of a Crime Against the Food Law by Harvey W. Wiley:
http://www.amazon.com/exec/obidos/ASIN/0405080565

The Disease Conspiracy : The FDA Suppression of Cures by Robert R. Barefoot:
http://www.amazon.com/Disease-Conspiracy-FDA-Suppression-Cures/dp/0963370359