71.   One underlying cause of the water war is explosive growth.

72.   Or it can be promoted by trying to attack the underlying causes of poverty, such as war or water legislation in need of change.

73.   Psychologists are split on the notion that bullying can be an underlying cause to a violent response.

74.   She said that while strategies for stopping verbal bullying have improved markedly, the underlying causes have remained the same.

75.   Starting pitching remains an underlying cause when the Rangers begin to stumble.

76.   Successful treatment can take a year or more, and must address the underlying causes, McAuley says.

77.   That test can detect the blocked arteries that are an underlying cause of heart attacks.

78.   The main underlying cause of the disease is inflammation of the airways, which become constricted.

79.   The partnership will share in the development of medications that treat the underlying causes of such diseases as arthritis, asthma and multiple sclerosis.

80.   The problem may be correctable when the underlying cause is treated.