Salt cave works on creating and holding appropriate microclimat, which simulates defending forces of our body and enhance immunity. Indications to halo-therapy: diseases of respiratory roads ( e.g. asthma, chronic bronchitis), ENT diseases (e.g. pharyngitis, laryngitis, sinus ear), allergies and sensitizations, cardiovascular disease, dermatological diseases (e.g. acne, psoriasis), hypothyroidism, neurosis, states of fatigue, stress, depresion, struggle with the addcition of smoking.