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.
A gastroenterologist is an internist who has completed specialty training in the treatment of digestive disorders. Digestive disorders include disorders of the esophagus, stomach, small and large intestines, pancreas, gallbladder, and liver. In order to become board certified in gastroenterology, the doctor must first become board certified in internal medicine.