The salt , which has no additives , is shipped in from Lithuania . A respiratory treatment clinic in London says it can treat respiratory illnesses like asthma . Treatment is based on a study in the conditions of Siberian salt mines . The procedure is called salt therapy , also known as halotherapy .
A respiratory treatment clinic in London says it can treat respiratory illnesses like asthma . Treatment is based on a study in the conditions of Siberian salt mines . The procedure is called salt therapy , also known as halotherapy .