The warmest season of the year has arrived.  Many of us are looking forward to school holidays, work vacations, and relaxing.  And shopping often accompanies our summer fun. So take advantage of the best bargain of the season: better health—for free!  That’s right, I am talking about sunshine: the light emitting from the fiery heart of our solar system.  Ultraviolet B (UVB) rays from the sun provide us with an essential nutrient called vitamin D. Yes, this is the vitamin that not only strengthens our bones and muscles but may significantly protect us from a wide range of serious diseases […]