Gradually, in the late 1970s and 1980s, food scientists began breeding livestock that was leaner are supposedly healthier. They could even produce eggs that had higher levels of omega-3 fatty acids by feeding hens

Families spent most of their time producing food, shelter and clothing for their own ... of U. S. agriculture today, and meat-animal production as a large part of it, can ... of the gradual but solid progress of meat science in the United States, one can't ... injurious to health, through supposed development of gout and rheumatism, ...