Missouri Auditor Tom Schweich committed suicide following political attacks during his campaign for governor. His press secretary, Spence Jackson, committed suicide just one month later. Jeff Roberson/AP hide caption

itoggle caption Jeff Roberson/AP

About twice a year, statistics suggest, a pilot somewhere in the world — usually flying alone — deliberately crashes a plane. The Germanwing flight downed last week may be one such case. But most people who fit the psychological profile of the pilots in these very rare events never have problems while flying. Patrik Stollarz/AFP/Getty Images hide caption

itoggle caption Patrik Stollarz/AFP/Getty Images

A stone memorial, surrounded by flowers, has been placed near the site in the French Alps where a Germanwings passenger jet crashed on Tuesday (March 24, 2015). Investigators believe the jet's co-pilot brought it down deliberately. Jeff Pachoud /AFP/Getty Images hide caption

itoggle caption Jeff Pachoud /AFP/Getty Images

Philip Connors' first book Fire Season was about how he spent a few months every year for eight years as a fire lookout, living in a cabin and scanning the horizon with binoculars atop a 45-foot tower in a remote region of New Mexico. Mark Ehling/Courtesy of W.W. Norton & Co. hide caption

itoggle caption Mark Ehling/Courtesy of W.W. Norton & Co.

Bioethicist Peter Singer argues that, under certain circumstances, people should have the right to die at a time of their choosing. Samuel La Hoz/Intelligence Squared U.S. hide caption

itoggle caption Samuel La Hoz/Intelligence Squared U.S.
Maria Fabrizio for NPR

Antidepressant use nationally fell by 31 percent among adolescents between 2000 and 2010. Suicide attempts increased by almost 22 percent. JustinLing/Flickr hide caption

itoggle caption JustinLing/Flickr

Most of the rise in the suicide rate in North America and Europe during the economic downturn of 2007 to 2009 occurred among men middle-aged and older. Gary Waters/Ikon Images/Corbis hide caption

itoggle caption Gary Waters/Ikon Images/Corbis