Nutrition is a confusing and complicated concept. Nutrition research is still very young. Studies and research are often debated, but there are five principles that are simply indisputable.

1: Weight changes boil down to one equation.

2: Nutrient density decreases as degree of food processing increases.

3: Sleep affects your nutrition and overall health.

4: Protein is the most important macronutrient to get right.

5: Consuming fruits and veggies can reduce disease risk and play a role in weight loss.