Ni kenshi uzumva abantu bamwe bavuga ngo “Jyewe sinshobora kuva mu rugo mu gitondo ntafashe ifunguro”. Hari n’abahamya ko iryo funguro rya mu gitondo ngo ari ryo rifite akamaro kurusha ayandi umuntu afata ku munsi. Wenda nawe ushobora kuba ariko ubyemera cyangwa ukaba ubyibaza.

Ubushakashatsi bwakozwe na Brigham Young University yo muri Leta Zunze Ubumwe za Amerika, buyobowe na Prof. Julianne Holt-Lunstad, bwasesenguye ubushakashatsi burenga 140 bwakorewe ku bantu barenga miliyoni eshatu, Bwerekanye ko kubaho mu bwigunge cyangwa kutagira imikoranire n'abandi byongera ibyago byo gupfa imburagihe ku kigero kiri hagati ya 26% na 32%.