Director Mark Wexler embarks on a worldwide trek to investigate just what it means to grow old and what it could mean to really live forever. But whose advice should he take? Does 94-year-old exercise guru Jack LaLanne have all the answers, or does Buster, a 101-year-old chain-smoking, beer-drinking marathoner? What about futurist Ray Kurzweil, a laughter yoga expert, or an elder porn star? Wexler explores the viewpoints of delightfully... see more