Are you vitamin D-ficient? (Miami Herald) Fort Lauderdale Ocean Rescue Lt. Jim McCrady spends 10-hour days patrolling the beach. Most people would worry that's too much sun. But to some, McCrady, 41, is soaking up critical ultra-violet rays. McCrady may be slightly pink at the end of his four-day work week, but there's one thing he's not suffering from: lack of vitamin D. [News Source]