What is the fine-grained topic of the following text: Acqua Mathelda, the thermal water used at Casciana Terme since ancient times, has in recent years seen its applications extended to modern rehabilitation therapies,cardiovascular and respiratory treatment, in the improvement of the digestive functions and their treatment, because its natural, relaxing action enables patients to regain their functional equilibrium and the enjoyment of pleasures they had lost. Only return the topic.
Therapeutic uses of Acqua Mathelda thermal water at Casciana Terme