Happy and healthy Winter Solstice! Solstice celebrations have abounded for centuries to honor the shortest day of the year and the return of sunlight – one minute longer each day moving forward. One reason to celebrate? Although too much direct sunlight is harmful to your skin, daylight can help balance one’s mood. Daylight and darkness trigger the release of hormones in the brain. Serotonin levels can increase with sunlight and have mood-lifting benefits.