Stephen Cadogan: Why your farm’s carbon footprint is so important

For decades, the beef and dairy industries fought against a headwind of health warnings, says Stephen Cadogen.

However, as different scientists came up with contradicting results, it became clear that it is very difficult to draw reliable conclusions from studying the effect of food on long-term health.

Now, the US government says protein needs can come from a variety of sources, including a hamburger or hot dog, while adult consumers should eat at least eight ounces of cooked seafood per week.