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.
One of the oldest of these languages is Bulgarian. The most important is Russian. Others include Polish, Kashubian (spoken in parts of Poland), Sorbian (spoken in parts of eastern Germany), Czech, Slovak, Slovene, Macedonian, Bosnian, Ukrainian and Byelorussian.