Oh, ok. I am sure cocaine is not a healthy thing up the nose or any other way! Sorry.
If you like to read, you might enjoy ‘The Cocaine Fallacy’ it’s about Sigmund Freud, a cocaine addict and the numerous operations he had on his nose. Plus his grand opinion of himself, although he never ‘cured’ anyone of anything, he just prescribed cocaine and they thought they were feeling so much better...
it’s downloadable here under a slightly different title:
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1439796/
A real eye opener.