✱ Take Vitamin D Supplements
If you live in a climate that is colder, and you also know that spending too much time in the sun is not ideal for your health, you are not getting enough Vitamin D. Your mental health will suffer, and you could be at risk for developing some cancers and MS as well. Take a Vitamin D supplement a day and your serotonin levels will increase, and you will feel happier as a result. You will also reduce your chances of ending up with certain cancers and MS as well.