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.
Mountain gorillas are one of our closest relatives, sharing 98.6% of our genomes and 99.6% of our DNA. Humans and gorillas evolved from a common ancestor, and like human beings, mountain gorillas are intelligent, playful, emotional, and family-oriented. They are even capable of learning sign language.