Is it OK for someone who is training to be a nurse to smoke cannabis...?

My neighbor smokes weed and she is at uni training to become a nurse...?!
Is that ethical / legal etc..???

She also has a 5 year old plus the smell goes in the hallway and in my flat too!

View this post on my blog: http://travelnursesuccess.com/is-it-ok-for-someone-who-is-training-to-be-a-nurse-to-smoke-cannabis