Industrial seed oils such as soybean, canola, corn, cottonseed, and safflower oils are modern industrial products created through extraction, refining, bleaching, and deodorizing processes. Once promoted as "heart healthy" alternatives to traditional fats, they have become dominant throughout the food supply. Discover how these oils are made, where they hide, and why many people are returning to traditional, minimally processed fats.

A new study suggests vegetarians are about twice as likely to experience depression as meat-eaters. Contributing factors may include not just nutrition, but social isolation, guilt over animal welfare, and demographic trends. Depression may also lead some people to adopt vegetarianism rather than result from it.