Over the past few years the Paleo diet has become one of the most talked about, tried, and followed ways of eating.
Rooted in the idea that thousands of years ago there weren't the diseases (obesity, high blood pressure, diabetes) as there are today. For optimal health, we should be eating what our cavemen ancestors did thousands of years ago. Specifically because the evolution of our bodies has not matched the evolution of food products. New food products are easily available and pure paleo-ists say that our bodies, digestive and immune systems have not evolved at the same pace and we're not prepared to eat these new foods and food products. Essentially Paleo focuses solely on the quality of food. 

The IIFYM (If It Fits Your Macros), Macros or Flexible Dieting approach to nutrition has