Mud treatment as a method to combat various types of ailments were used in ancient Egypt.It was believed that the silt, which the Egyptians were collected from the Nile flood, have a number of healing properties.However, here I totally agree with them.Indeed, silt mud contains a lot of nutrients and trace elements and helps in the fight against various diseases.In Russia, these "mud" sources abound on the Taman Peninsula, the lake Golubitskaya Tuzlyanskoe.By the way, a kilogram of dirt valued quite expensive when compared to the cost of oil and dirt, the dirt three times more expensive.