Confidence votes 11. According to Wikipedia, the width of the Atlantic Ocean at its narrowest point is 2,848 kilometers (1,770 mi) between Brazil and Sierra Leone.
Paroxysmal nocturnal hemoglobinuria (PNH) definition and facts. PNH is a rare, chronic disease that causes rapid breakdown of red blood cells and can result in reddish or cola-colored urine, often seen in the early morning after urination. PNH is due to a spontaneous mutation in gene material. PNH is not inherited.
Paroxysmal Nocturnal Hemoglobinuria Causes. The main reason behind the occurrence of PNH is the mutation in the single stem cell gene named PIG-A. The gene is located on the X-chromosome in oneâs bone marrow. The exact reasons responsible for triggering this gene mutation are not known yet.