Researchers Studying the Health Effects of the Glycemic Index of Foods

Researchers studying the health effects of the glycemic index of foods have found that:

A) individuals with diabetes can consume low-glycemic index foods to lower blood glucose levels.
B) intake of high-glycemic index foods has resulted in higher heart disease rates in many populations of the world.
C) identification of the glycemic index score can help a person separate the "good carbs" from "bad carbs."
D) there is not enough evidence at this time to show that using the glycemic index to control carbohydrate intake is beneficial for health.