When I think of St. Patrick’s Day, the fun of a parade, lots of food, drinks and wearing green comes to mind. I also think of all of my red-headed friends, some of Irish decent and some that aren’t. ┬áResearchers a the University of Edinburgh believe that the first red hair emerged as a hair color around 18,000 B.C. People with red-hair are more likely to have fairer more sensitive skin and freckles, all of …