Bypass surgery treats symptoms of coronary heart disease. That happens when a waxy substance called plaque builds up inside the arteries in your heart and blocks blood and oxygen from reaching it. You may feel things like:
85% of the approximate 8.7m population of Bulgaria speak the official language, Bulgarian. 2.5% speak Macedonian, considered in Bulgaria as a dialect of Bulgarian and not as a separate language. Other minority languages include Romani, Turkish, spoken by 9% of the population, and the related languages of Gagauz, Tatar, and Albanian.
Bulgaria is semi mountaneous terrain. The bigger mountain range is called the The BALKANS. Other mountains are Rila, Pirin and the Rhodopes. Balkan continues to Serbia in the West and Rhodopes continues to the South to Greece. Daniube makes a border with Romania in the North.