31.   But they now seem more common than ever.

32.   Cancellations are more common than commissions.

33.   Childhood cancer is still far less common than cancer in adults, and its very rarity makes it especially hard to discern what might be causing the increase.

34.   Cluster headaches are less common than migraines and strike periodically over a period of days or weeks, and then may not reoccur for months.

35.   Collectors have raided the area, where arrowheads seem more common than rocks, for decades.

36.   Dilemmas over withdrawing life support or deciding not to initiate treatment are far more common than the highly publicized questions over actively abetting suicide.

37.   Donkeys and horses are more common than vehicles.

38.   Fact is, psychologists and counselors say that within intimate relationships, deception probably is more common than sharing toothpaste.

39.   Even more common than incidents of violence are cheating and drinking.

40.   Fertility drugs have made multiple births much more common than leap years, Elliot said.