Entrepreneurs are wired different than the rest of us. They’ll embrace huge financial risk to start a business despite statistics showing most startups fail.

That chutzpa often gets tied to environmental factors, like how they were raised or where they went to college, or even to an X factor — something unknown but all-important that allows them to accept risk without flinching. Other studies have even hinted at a genetic component to risk-taking, or sensation seeking, as psychologists ca