"Conventional Wisdom" not so wise

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http://nerdfitness.com/blog/2012/02/14/conventional-wisdom/

Debunked:
"Eating fat will make you fat"
"Eating cholesterol will give you heart attacks"
"You need cardio to lose weight"
"You need to eat every three hours to lose weight"
"Machines are safer than free weights"
"Lifting heavy weights will make you bulky"