There is a very powerful December Golf Digest story by Stina Sternberg that's a powerful, informative but in no way maudlin read (the print issue should hit your mailbox any day if it hasn't already, and the iPad edition is out).
Though Kim is the focus (and kudos to her for sharing her story to overcome the stigma attached to admitting issues with depression), she's certainly not alone.
According to the National Institute of Mental Health, 14.8 million American adults--or 6.7 percent of the U.S. population--suffer from Major Depressive Disorder, and more than 30,000 Americans commit suicide every year. "It's a huge medical illness on the order of cardiovascular disease and diabetes," says Dr. Michael Lardon, a San Diego-based clinical psychiatrist who specializes in working with professional athletes and has been treating tour players, including half a dozen major champions, for 21 years. (This is the first year he has no LPGA Tour patients, but he currently works with 10 players each from the PGA and Web.com tours.) "Unfortunately, it lives in the background."