Warmer weather makes spring the perfect time to get outside and get some exercise. The mood-boosting benefits of exercise are well known. When we exercise, our brain releases endorphins and serotonin, neurotransmitters that increase feelings of happiness. Lack of serotonin has also been indicated in depression, which exercise is often helpful in treating. Exercising outdoors also helps our bodies get adequate amounts of vitamin D, which promotes healthy bones and muscles. Exercise can also be a great opportunity to practice other mood-boosting activities, such as mindfulness. Focusing our attention to our senses such as the smell of the air, the sound of our feet hitting the ground, or the breeze brushing against our skin can help us focus on the present moment and relieve stress. Remember to start small, even a walk on your lunch break can be an easy, enjoyable way to boost your mood and get some exercise!