Cats are considered to be the most popular home "doctors". Cats have the ability to find the sick place of their owner and lie down. It is said that the place is heated by body heat and is cured. In case of serious illness, the cat does not leave its owner. There are statistics that people who keep cats and love cats are 5 times less sick than people who don't have cats.
We consider grandmothers to be caring, intelligent, experienced and ignorant people. It is almost the same for elephants.
When we put a little shampoo in our eyes, it stings and washes off. However, think about the pain and suffering of these animals, who are immobilized, put a spoonful of shampoo, cleaning agent and other substances into the eyes of the poor test animals, who cannot be cleaned, let alone washed. The cornea is damaged and the eye is blinded.