About Atrial Fibrillation. Atrial fibrillation, known as AF or Afib, is an irregular and often very fast heart rate. This may cause symptoms like heart palpitations, fatigue, and shortness of breath. Treating atrial fibrillation is important because it may cause a stroke and negatively impact your quality of life.
Basic Facts About Gorillas. Closely linked by DNA, gorillas (family Hominidae) are one of the four species of great apes that are the closest living relatives of humans â the other three are chimpanzees, bonobos and orangutans.
As one of the great apes, mountain gorillas are the largest of the living primates. They have muscular arms, a massive chest, and broad hands and feet. Their thick black hair helps insulate them from cold weather. census in 2011 recorded fewer than 900 mountain gorillas left in the wild. For mountain gorillas, their biggest threats come from deforestation and the regionâs growing population. The forest where mountain gorillas live is fertile and rich in biodiversity.