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yep. both solder fumes and rosin fumes are good for lungs
Don't worry too much. Those fumes are not lead fumes. They're flux fumes. You have to get lead REALLY hot before it will fume.The known danger in lead soldering is eating or smoking cigarettes after soldering without washing your hands. The lead will get on your skin, which is OK, but you don't want to ingest it.
Open up a window and use a small fan to blow it away.I use a fume sucker.
Just ran into this today . . . how to make a cheap custom fume hood for all your soldering and dangerous chemical needs http://hackaday.com/2008/08/05/how-to-the-hackers-soldering-station/
I *always* where goggles when soldering - not to protect myself from fumes, but from flux boiling and splattering in my face. Also when clipping dangling leads.
I believe the main threat is to your lungs, but the smoke can definitely irritate your eyes, too. Lead free fluxes can be worse, depending on the type and manufacturer. When lead-free solder first came out, the flux fumes were extremely noxious, but manufacturers have since improved the smell, although it's still not great for you. (this is based on stories from industry people, nothing scientific).When soldering, you're usually trimming leads, too, and this is probably the main threat to eye balls.