One Cure for All Diseases One Cure for All Diseases Example Take a glass of water. Add a spoon of salt to the water. Taste the water. If salt is more, one will add more water to dilute the salt. If salt is less, one will take less water next time. Blood in Human Body Blood in Human body is 6 to 7% of the body weight. A person weighing 70 kg will have 4.2 to 4.9 litres of blood in his body. The...