Animal Ethics Comes Home

For the past 6 weeks or so, we've been struggling with one of our cats' health  - he vomits about once a day, eats little, hides under beds. He's lost a lot of weight, and this is clearly life-threatening.  We started with blood tests and x-rays, which didn't identify the problem. Then our vet put him on the steroid prednisone, which helped a lot for a few weeks, but the problems came back. Next