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 or PNH is a rare and chronic disease that results in an abnormal breakdown of red blood cells. PNH is due to a spontaneous genetic mutation that causes red blood cells to be deficient in a protein, leaving them fragile.
Paroxysmal means sudden, nocturnal means at night, and hemoglobinuria means blood in the urine.. It happens in over 60% of people with PNH. Symptoms of the disease are caused by: 1  Broken red blood cells.  Too few red blood cells (which can cause anemia)