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.
Noted for its diversity, Bulgaria's landscape ranges from mountainous peaks covered in snow to valleys and lowlands giving way to the coast of the Black Sea. The Balkan Mountains cut across the central part of the country, while the Rhodope Mountains run through southern Bulgaria, along its border with Greece. The highest point in the country, located in the Rila Mountains, is Musala Mt., at 9,594 ft. (2,925 m).