The mitochondria may be the powerhouse of the cell, but avocados are the powerhouse of the entire human body! These beautiful babies are filled with loads of healthy fats. And believe it or not, even though protein gets all the talk these days, fats are just as important. Your brain needs fats in order to run smoothly. Avocados like to be called the happy fruit. According to Livestrong, "Avocados are rich in nutrients necessary for serotonin to develop and reach optimal levels in the brain." More serotonin equals more serenity!