We don't know if the Japanese have longer intestines. https://medium.com/words-escape-us/are-japanese-intestines-longer-8a41ca3e7d89 https://medium.com/words-e

We don't know if the Japanese have longer intestines. https://medium.com/words-escape-us/are-japanese-intestines-longer-8a41ca3e7d89 https://medium.com/words-escape-us/are-japanese-intestines-l... I don't know if this Mysterious Organ will be real, but the fact it's up for discussion is the problem.