Sunbathing in December may seem like a monopoly of the Southern Hemisphere, but its invigorating effect is not limited to Bon Aire or Rio. An afternoon soaking in the sun is just what the body needs, and it’s easily had if you are in temperate Southern California. So march outside, park your towel, and push your sunglasses over your eyes. The sunshine vitamin will leave you feeling refreshed, relaxed, and ready to conquer your next assignment.