I'm glad to read that Brodie is doing so well with his recovery. I might get some of those bath wipe things at pet store.
We use the Fresh Step litter here. The only time I notice any significant kind of dust is when I pour it into another container. Starting using FS when we got Eleanor in June 2004 never had any problems breathing wise with the kids. It makes me sneeze sometimes when I'm scooping to wildly and stir things up.

My thoughts on the "Crystals are silica which is a known carcinogen and causes cancer." Why would a company make litter that causes cancers?????? I would think we would have the biggest STINK no pun intended about this particular litter. All sorts of recalls of product. Havent heard of anything being done like this in the USA. We hear about food recalls for animals when there is a problem. Worlds Best Cat Litter is a company who promotes their "natural litter" of course they will dig up and twist information to make other companies litter look bad and make we consumers go out and buy their all natural stuff.

I would not worry about Fresh Step or any others like it until it's ordered of the store shelves.