Free Republic

Eat less saturated fat: that has been the take-home message from the U.S. government for the past 30 years. But while Americans have dutifully reduced the percentage of daily calories from saturated fat since 1970, the obesity rate during that time has more than doubled, diabetes has tripled, and heart disease is still the country’s biggest killer. Now a spate of new research, including a meta-analysis of nearly two dozen studies, suggests a reason why: investigators may have picked the wrong culprit. Processed carbohydrates, which many Americans eat today in place of fat, may increase the risk of obesity, diabetes...

 "Cardio kills," says Jim Karas in his new book, "The Cardio-Free Diet." "Cardiovascular exercise kills a weight-loss plan, your internal organs, your immune system, your time and your motivation. If your true goal is to lose weight, interval strength training is the only way to go," says Karas, an ABC News correspondent, celebrity trainer and fitness expert.    When he first tried to lose weight as a 21-year-old, Karas found that he would work up an enormous appetite after running several miles. So while his cardiovascular health improved he still wasn't losing weight. The Program He grew more interested in strength...