What Is the Relationship Between Proper Nutrition and Academics

What is the relationship between proper nutrition and academics?

A) Taking vitamin and mineral supplements made no difference in children's test scores.
B) Children who eat a nutritious breakfast demonstrate enhanced academic performance because of improvements in memory and other cognitive skills.
C) Undernourished children expend most of their food energy on cognitive development rather than for growth.
D) Children who grow up in food insecure homes are not able to catch up with their peers in academics, even if their home becomes food secure.