Italian mountaineer Reinhold Messner has inspired others to seek adventure . Psychologist Dr. James Thompson says adventurers tend to be more extroverted . Hide Caption Insurers say `` Nifty Fifties '' are seeking adventures once the kids have left home .
Italian mountaineer Reinhold Messner has inspired others to seek adventure . Psychologist Dr. James Thompson says adventurers tend to be more extroverted . Women in their 40s are leading the charge towards adventure . Insurers say `` Nifty Fifties '' are seeking adventures once the kids have left home .