When you drop a profession, everything in that profession is unlearned. It is a permanent change, if you wish to relearn the profession you dropped again at a later date you start at skill level 0 again.
Yeh you will lose them so if you choose to re-level that prof in the future you will have to find all the recipes again
Originally Posted by Tony Stark
They say that the best weapon is the one you never have to fire. I respectfully disagree. I prefer the weapon you only have to fire once. That's how Dad did it, that's how America does it, and it's worked out pretty well so far. I present to you the newest in Stark Industries' Freedom line. Find an excuse to let one of these off the chain, and I personally guarantee, the bad guys won't even wanna come out of their caves. Ladies and gentlemen, for your consideration... the Jericho.