Lifestyle Factor	Grade
Macronutrients
Fat	D
Protein	C
Micronutrients
Calcium	A
Vitamin D	B
Micronutrients other than calcium and vitamin D	D
Food Patterns
Dairy	B
Fiber	C
Fruits and vegetables	C
Detriment of cola and caffeinated beverages	C
Infant Nutrition
Duration of breastfeeding	D
Breastfeeding versus formula feeding	D
Enriched formula feeding	D
Adolescent Special Issues
Detriment of oral contraceptives	D
Detriment of DMPA injections	B
Detriment of alcohol	D
Detriment of smoking	C
Physical Activity and Exercise
Effect on bone mass and density	A
Effect on bone structural outcomes	B