A new study from The Annals of Nutrition and Metabilism revealed that adding only two teaspoons of vinegar to a meal containing complex carbohydrates can reduce their glycemic impact by an amazing 20%. More interesting, it affects only complex carbohydrates, which are found in foods such as whole grains, brown rice, and beans. The simple sugars in fruit, juice, refined sugar, high fructose corn syrup or processed sweetened...