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.
Hyperparathyroidism Cause #2: TWO of the parathyroid glands grew into a tumor. This is 26% of all parathyroid patients. No Known Cause. This is just like the section above, except that there are two parathyroid tumors and two normal glands.