 Akhristoow taas waxaa ka sii daran labo war bixin oo dhawaantan ay soo saareen la hayadood oo cilmi Baaris ah oo mareykan ah midda hore waxaa soo saartay Jaamicadda weyn ee Harvard university researchers oo 15,000 oo dhallinyaro ah oo lagu soo koriyey caanaha formula ooysan Hooyooyinkood nuujinin in Boqolkiiba 22 ay ka buurnaadaan ilmaha kale ee hooyooyinkood nuujiyaan marka ay gaaraan dada 9 ilaa 14. 