Only a few years ago, scientists believed that substances inhaled into the nostrils quickly entered the bloodstream and impacted the individual. However, it turns out that
this is not the case.
Instead, it turns out that the nasal passage is the qickest route to the brain and penetration of the the blood brain barrier, according to scientists.
Interested? Stay tuned for the full story as revealed at SRI International on October 3.
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