Today, growing older doesn’t necessarily mean slowing down your life. In fact, just the opposite is true, as thousands of seniors have already discovered how to enjoy their “golden years” with vigor and style.

Not content with sitting in front of the television, today’s senior citizens are swimming with dolphins, learning a new art form and even plunging from a plane in their first skydive.

What is the key to their happiness and well-being? According to a recent study, it could…