Folk medicine has long been applied not just to human ailments but to pets as well. According to an old wives’ tale (and those wives were never wrong, as you know), you could treat (or prevent) worms in your cat by adding bits of garlic or carrot to her
food. This doesn’t work at all, and some cats will walk away from food that has garlic in it. In regard to deworming your cat, be glad there are plenty of effective worm medicines on the market.