The scent of oranges, lemons, grapefruits, and other citrus fruits eases stress and creates positive chemical reactions in your brain. In addition to enjoying the scent of fresh fruit, you can also apply a few drops of diluted citrus essential oil to your pressure points or use diluted citrus oil in a soothing bath. You can also have a nice glass of freshly squeezed orange juice and get the added benefits of drinking vitamin C.