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) may cause unpredictable episodes of acute red blood cell destruction (hemolysis). This occurs when a part of your immune system called complement attacks red blood cells that lack certain protective proteins.
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.