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The authors made medical-historical review of the development of the Health resort in South-West Bulgaria, since the antiquity to our days. Special attention is detached of the investigate of Health resort during the second semi-centennial of the XX century. The authors investigations reflect over the fluoric mineral waters. This type waters are very important for tooth prophylaxis and osteoporosis. Important contribution is the proved stimulating effect of fluoric mineral waters. The type waters are very important for tooth prophylaxis and osteoporosis. Important contribution is the proved stimulating effect of fluoric mineral waters in the village Ognianovo. There the fluorine is 5.5 gram by the litre.