Spas are outcrops of groundwater characterized by the content of mineral salts .
The mineral waters have a residue of less than 0.2 g / l , the medium mineral between 0.2 and 1 g / l and those minerals than 1g / l .
The waters "cold" have a temperature below 20 ° C , those " hypo " between 20 and 30 ° C , the " thermal " between 30 and 40 ° C and the " hyper " exceeding 40 ° C .
The arsenical - ferruginous , are indicated for diseases of the blood , for hyperthyroidism and have an anti-stress function .
The bicarbonate waters , and bicarbonate – earthyalkaline aid digestion fighting the acidity and are valid for the liver and the pancreas .
The carbonic waters , where used for bath therapy have vasodilating action , while if used for drinking aid digestion .
The sodium chloride water are particularly suitable for obesity , diabetes , and diseases of the gastro -intestinal tract ,
• The salt- iodine and iodine -bromine waters are rich in sodium chloride , iodine, lithium , strontium , boric acid , calcium and magnesium , are usually used in the bath therapy to treat inflammatory infections of the respiratory tract , rheumatism and joint trauma .
• The salt- iodine and iodine -bromine waters are rich in sodium chloride , iodine, lithium , strontium , boric acid , calcium and magnesium , are usually used in the bath therapy to treat inflammatory infections of the respiratory tract , rheumatism and joint trauma .
• The waters sulphate are used in bath therapy have a beneficial effect on the skin and on the areas containing keratin as nails and hair ; used instead as inhalations bring benefits to the respiratory catarrh with action ; and when taken as a drink help the digestive system and the urinary tract.
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The sulphurous water is especially indicated for the treatment of respiratory tract ( were catarrhal and inflammatory ) and skin diseases ( psoriasis , eczema , seborrhoea ) .
The radioactive water instead increase diuresis , have anti-allergic and sedative action , stimulate the endocrine glands and circulation. Are also used to combat rheumatism and neuralgia .