The most important consideration in constructing a healthy diet: Eat whole foods that have had minimal processing. So,  What is the best diet for human beings? 

Vegetarian? Vegan? High-protein? Low-fat? Dairy-Free?

Hold on to your shopping carts: There is no perfect diet for human beings. At least not one that's based on how much protein, fat or carbohydrates you eat. Read on what  Jonny Bowden, Forbes.com has to say