4 ms·
Interactive version: http://www.informationisbeautiful.net/play/snake-oil-supplements/ http://www.informationisbeautiful.net/play/snake-oil-supplem...
by rwinn 12y ago
Interactive version: http://www.informationisbeautiful.net/play/snake-oil-supplements/ http://www.informationisbeautiful.net/play/snake-oil-supplem...