I suggest wearing gloves when working with Aluminum.
I've read of some connections to Alzheimers and possible other connections.
I used to work in a manufacturing plant that used aluminum components - that's one reason I was looking for info about it yrs ago.
http://www.bellaonline.com/articles/art7739.asp
http://www.emedicine.com/MED/topic113.htm
and much more if interested -
http://www.google.com/search?hl=en&c...ty&btnG=Search