By the time summer finally rolls around, you’re antsy to get outdoors and replenish your vitamin D after the long Minnesota winter. Daily doses of sunshine are crucial to mental and physical wellbeing. Exposure to sunlight boosts serotonin, a neurotransmitter that regulates mood, sleep, memory, and appetite. Sunshine also strengthens your immune system and can lower blood pressure. However, overexposure can be harmful. But as long as you keep a few simple precautions in mind, you can enjoy the summer sunshine carefree.