The brain is a tricky organ to treat, being both important and complex! Not like the appendix for example, which is as close to disposable as you can get as far as internal organs are concerned. To add to the trickiness the body has a barrier system to protect the brain from "intruders" whether harmful or beneficial, making delivering a drug to the brain somewhat akin to storming a castle.
However Austin-based Mystic Pharmaceuticals is building a drawbridge. The company's recently issued patent "Dose-Dispensing Containers" (US Patent 9,248,076 B2) facilitates their development of non-invasive nose-to-brain delivery... Read more