Reader questions about pets and longevity
Longer, healthier lives for dogs and cats.
2 answers about pets, each one with its study. Updated November 5, 2026.
- Is dog dental cleaning necessary?New this month
It depends. Our notes did not test cleanings against no cleanings, so we can't say every dog needs one. They do show that caring for your dog's gums…
- Can cat arthritis be treated?New this month
Yes. In two trials, treatments helped many cats with arthritis. A shot given every three months did better than a placebo in a large trial. Donor cell infusions…