A. The rule of document conservation is: Never do anything that isn't reversible. Lamination is not reversible. It might be a good solution for non-archival items that receive heavy use. For example, a high-traffic restaurant might have its menu printed on one page, front and back; lamination could help menus last longer, but these items are destined for the dumpster at some point anyway. You would never want to laminate historical or valuable materials.

An alternative answer is encapsulation. This process places an item between two pieces of inert plastic (such as Mylar) and seals the plastic together (without touching the item) with double-sided tape, leaving a small opening for air. You can actually wad up an encapsulated document and it will not hurt the item (however, I don't recommend this unless you're using a throwaway item as a test).