Overweight and obese cats are at risk of developing serious health problems, just as you and I would under the same circumstances. Feline obesity is a more serious condition than most owners realize.
If your cat is more than 20% heavier than what is considered to be the normal weight for its breed and age, and if that excess weight is due to an buildup of fat, then that cat will be classed as obese.
Just like humans, different breeds of cats can have different body structure. Some are light