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.
Primary hyperparathyroidism occurs when your parathyroid glands produce too much PTH. This can happen if you have an adenomaâor non-cancerous tumorâon one of these glands. These tumors are the most common cause of primary hyperparathyroidism. In other cases, enlargement of at least two of your parathyroid glands can lead to this condition. Doctors often do not understand what causes this enlargement. In rare cases, parathyroid cancer may be the culprit. These tumors can cause hyperparathyroidism.