Imagine fighting a war the way Mercola is suggesting we fight our battle with bacteria.

FORBES: A Vaccine Eliminated A Deadly Killer Of Infants. So Why Do Some People Fear It?

Joseph Mercola, an osteopath, runs mercola.com, one of the most popular alternative-health Web sites in the country.

NEWYORKER: The Operator

Clever snake-oil salesmen like Mercola can easily circumvent the FDA with a few simple edits to their websites.

FORBES: Making Money Promoting Anti-Vaccine Myths