"The Poor Fare Best Under Free-Market Capitalism"
"Why I lean libertarian"

"Why there is no such thing as a healthy diet that works for everyone"

For the next several years at least, "precision nutrition" will be the hot new thing in nutrition and diet. (This piece is just the beginning of the article in New Scientist, but I've read the whole article and it mainly offers just details on the research. If you have access to JAMA, you could look at "Precision Nutrition—the Answer to “What to Eat to Stay Healthy”.)