News, information, issues, discussions, solutions. News, information, issues, discussions, solutions.Exercise key to long, happy life: sustained physical activity can add years to life and substantially improve the quality of those years, according to a long-term study into more than 12,000 elderly Western Australian men via reddit.com Posted byadminSep 14, 2013Exercise key to long, happy life: sustained physical activity can add years to life and substantially improve the quality of those years, according to a long-term study into more than 12,000 elderly Western Australian men via reddit.com.