Portion control doesn’t have to be rigid or complicated. — Even if what’s on your plate is super-healthy, too much or too little of any one macronutrient at mealtime can lead to pesky symptoms like brain fog, mood swings and lethargy. The easiest way to make sure you’re eating balanced meals? Use your hands, Aubrey Phelps, a functional perinatal and pediatric nutritionist, told HuffPost: “Think of your hands as a plate — palms up, pinkies together. Half of your ‘plate’ (or one hand) should be veggies and fruits. The palm of the other hand protein, and fingers complex carbs.”