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.
Itâs a rare blood disease that stems from your genes. If you have it, your immune system attacks red blood cells in your body and breaks them down. They lack certain proteins that protect them. You can get paroxysmal nocturnal hemoglobinuria (PNH) at any age. You arenât born with it.