While your emotions may be invisible to the world’s most advanced medical technology, they still impact your health just as much as your flesh-and-blood organs do. Consider this article to be the kind of anatomy class your doctor never had in medical school. You’ll learn the connection between anger and back pain, loneliness and high blood pressure, anxiety and dementia—and how to snuff out the fuse on even your most explosive emotions. Read the full article in Men’s Health or on NBCNews.com.