8. Milk
Many have spoken about the positive effects of vitamin D, not just on your mood, but also on your health. Vitamin D levels in the body are important in reducing symptoms of seasonal affective disorder and depression. Vitamin D deficiency, despite its importance, is a common problem. Drinking a lot milk is a great way to ensure you have enough vitamin D in your system or diet. If you drink a few glasses of milk every day, it will not only increase your vitamin D levels in the body but also calcium levels. This will help to strengthen your bones and teeth.