I read that study and wondered the same thing, why one nostril? It seems they were measuring the amount of Preg in the brain after administering it via one nostril, and found higher amounts in the same side of the brain as the side of nostril used when administering the spray, and that proved...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.