Although saying that "an apple a day will protect you from depression." It's a little early, but researchers are studying the connection between what we eat and how we feel. There is evidence to prove this, which shows that any change in the food plan can change the body's metabolism and brain chemicals and ultimately directly affect people's energy levels and mood.
So, start now. Food can increase energy by providing calories. Foods make the body burn calories more efficiently. The best foods for a better mood are those that stabilize blood sugar and release feel-good chemicals from the brain.