Lifeboat Foundation

But recently, the nose has gained scientific attention as a gateway to the rest of the body — even the brain, a notoriously difficult target.

The upshot: Someday, inhaling therapies could be as routine as swallowing pills.

The nasal route is quick, needle-free, and user-friendly, and it often requires a smaller dose than other methods, since the drug doesn ’ t have to pass through the digestive tract, losing potency during digestion.