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.
The most common cause of primary hyperparathyroidism is a benign tumor called an adenoma on one of the parathyroid glands that secretes too much PTH. In other cases, the excess PTH is produced by two or more enlarged parathyroid glands, a condition called hyperplasia.