It's spring in Japan and cleanup services are being flooded with calls to apartment buildings. But these aren't ordinary calls. Hoarders are on the rise and it's not just the elderly. Teachers, nurses and other working-age people are falling into the habit. We interviewed some to see what's behind the trend.
Mitsunori Ishida (Professor, Waseda University)
Emiko Kishi (Professor, Toho University)