1 vote Vote for this answer. Hippos are one of the other animals (like humans) that will sunburn. Thus, when they sweat, the pigment in their sweat (which is red-orange) is an antibiotic sunscreen. http://www.sciencenews.org/articles/20040529/fob5.asp.
What is Gastroenterology? Gastroenterology is the study of the functions of the digestive tract including esophagus, stomach, small intestine, colon and rectum, pancreas, gallbladder, bile ducts and liver. This includes such conditions as acid reflux disease, colitis, colon polyps and ulcers.
Training, Education, and Certification: Gastroenterology is a subspecialty of Internal Medicine. A gastroenterologist has completed all of the same training as an internist, (4 years undergraduate, 4 years medical school, and 3 years of residency) plus three years of fellowship training in Gastroenterology.