Researchers at Ohio State University have announced they are the first in the world to test new non-invasive devices.

Nasal irrigation is the cleansing of the nasal cavity with sterile salt water to flush out excess ... Flushing the nose with salt water helps by maintaining moisture so the sinuses can function ...

The team from the United States and Italy behind the innovative spray tested it on old mice and noted improved cognitive function ... administered through the nasal cavity, bypassing the blood ...