Rank

Dog Conditions

Cat Conditions

1

Arthritis

Kidney disease

2

Dental problems

Dental problems

3

Vision problems

Obesity

4

Cancer

Urinary tract infections

5

Urinary incontinence

Cancer

6

Knee problems

Vision problems

7

Obesity

Urinary incontinence

8

Stroke

Diabetes

9

Kidney disease

Behavior issues

10

Heart attacks

Disease spread by contact with other cats