Is Clumping Litter killing kittens?

It has been reported that Clay Clumping litter is dangerous for cats and kittens and has been the cause of kittens dying.

". . . something able to block household plumbing must be wreaking havoc on the plumbing of our feline companions."

Cats die. Kittens die. It's part of life. But we still grieve when they die, even though we know it is only the body, not the spirit, that is gone. How much worse we feel when those deaths were unnecessary, could have been prevented by something as simple as changing the kind of litter we use.

Extract from article:
The three kittens started out as a robust, lively group. Then, at weaning time, just as they were learning to use the litter box, they began to vomit a yellow frothy substance and to pass yellow diarrhea; the diarrhea looked and smelled like clay. They also had nasal and eye discharge. The diarrhea proceeded to turn harder and even more clay-like, and finally the kittens stopped moving their bowels at all. The veterinarians said they could feel "a hard mass" inside. The kittens dwindled into thin, dehydrated, frail little skeletons, sunk in apathy. Then they died.

If you are interested in reading more please go to the authors website here.