Watch out for "obesogens" - Stick to grass-fed beef and know where it came from... "It used to be that diets meant cutting down on the fat and calories, more exercise, more fish in the diet, more fruits and vegetables. That was a healthy diet 50 years ago. Has human anatomy changed? No, but food has changed a lot. Foods that were healthy 50 years ago may not necessarily be healthy in 2010. Today, according to Stephen Perrine, author of "New American Diet," we have all sorts of chemicals in our foods, pesticides, growth hormones, antibiotics, and plastic pollutants, to name a few. He says they aren't good for the environment, they aren't good for our bodies, and they also cause you to be overweight. "