What role does serotonin play in the function of the brain? a) It is a chemical inhibiting violent tendencies.
b) Serotonin does not play a role in the function of the brain.
c) It helps us calm down when we are afraid.
d) It helps us handle pain

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.