Business owners like to think of stress as the cost of doing business — something to push through, not something to examine. But a growing body of research suggests that mental health isn't a side issue for entrepreneurs. It's a core variable that shapes how well they lead, how clearly they think, and ultimately how their businesses perform. Here's what the research shows, and why it matters more than most owners realize.

Christian business owners often obsessively track revenue, margins, and growth rate. Almost none track the slow erosion happening at home while they do it — until the damage becomes too significant to ignore. Marriage coaching for executives must be included in most executive coaching engagements.