How to feed a cat so that he does not get urolithiasis, diabetes and obesity.

Every year there are more and more cats in which diseases occur against the background of improper feeding, ranging from obesity, although this is also far from a harmless condition and ending with urolithiasis and diabetes. And if we all know this, then why do a large number of cats show the dynamics of the growth of diseases associated with feeding? - See about it in the video.