The chronic skin condition rosacea affects about 16 million people in the United States. The symptoms can come and go at first, making it difficult to diagnose. The fact that ruddy facial skin and red noses are often associated with alcoholism makes rosacea even more frustrating and embarrassing. The National Rosacea Society says that 78 percent of the population has no knowledge of rosacea. So go ahead, take the quiz and educate yourself!