Challenge your mind and body to sharpen your thinking skills

Posted October 29, 2015, 7:00 am Heidi Godman, Executive Editor, Harvard Health Letter My friend Betty is one of the most impressive seniors I’ve ever known. At 88, her voice is strong and her heart is young, and she seems to have as much energy and enthusiasm as she did in 1982, when I first met her. She exercises, goes out with friends, gardens, pays her own bills, follows the news, and is…