Being lonely, studies shows, can actually damage your health as much as smoking 15 cigarettes a day. And experts insist that the growing number of Americans who report having no or very few friends is a huge contributor to our worsening mental health. Loneliness, it turns out, is a serious threat to your health. It's lousy for your business too. CEOs, surveys show, have particularly high levels of lonelienss. And things aren't much better for frontline employees. Surveys show that post pandemic, the number of people claiming to have "work friends" has dropped precipitously.