So elsewhere on reddit this documentary on the millions of young men in Japan who mysteriously become entirely withdrawn from the outside world, often not leaving their bedrooms for years at a time:

http://accmag.com/the-mystery-of-the-missing-million2002/

I found it very interesting how it seems to be a gendered condition, being more likely to affect men than women. I wondered if this maybe was related to the studies linking birth control and high estrogen in water supply with an increase of prostate cancer- maybe Japan's additional use of soy in food products have made maybe men's estrogen exposure catastrophic for general health? I did some more research, and found on article from the BBC:

http://www.bbc.com/news/magazine-23182523

and one from the New York Times Magazine:

http://www.nytimes.com/2006/01/15/magazine/shutting-themselves-in.html

Both articles featured the gendered nature of the condition, describing how males are more likely to be affected.

But now look at the wikipedia page for Hkikomori- look at what it says under the "Social and cultural influence" section:

https://en.wikipedia.org/wiki/Hikikomori#Social_and_cultural_influence

Though acute social withdrawal in Japan appears to affect both genders equally, because of differing social expectations for maturing boys and girls, the most widely reported cases of hikikomori are from middle- and upper-middle-class families whose sons, typically their eldest, refuse to leave the home, often after experiencing one or more traumatic episodes of social or academic failure.

Wait, what? Where is that coming from? Where is the source on that, none is given for it. The paragraph was added, no source was given, and it's just standing there now. Hang on, that's odd...and it sounds very familiar to, like I've heard it before....