" Take chicken, for example. In 1896, the USDA determined chicken was about 23 percent protein and less than 2 percent fat by weight,1857 which is even leaner than some wild game like venison.1858 Today, with ten times the fat, chicken has 1,000 percent more fat than it did just over a century ago.1859 These days, more than 70 percent of the calories in chicken may come from fat. "

― Michael Greger , How not to diet