Snake Oil? The scientific evidence for health supplements

This interactive balloon chart took David McCandless a month to do. He collated the entire medline database to grade "evidence" and did keyword search at google to measure the public interest in any supplement. Spend some time with it. Interesting. And if you'd like check out his TED talk, The Beauty of Data Visualization on this and other aspects of his present interest in putting modern, often incomprehensible data into understandable context.