71.   Some say yoga and other exericse improves overall health.

72.   Some tests are costly, painful and even dangerous while showing little or no evidence of improving health.

73.   Speier has argued all along that fluoridation is a well-documented way to improve dental health.

74.   Story will focus on the one about altering to improve human health.

75.   That message was underscored by Dr. Christopher Elias, a senior associate with the Population Council, an international nonprofit group aimed at improving reproductive health.

76.   The company also argues that it has improved the health of the television industry by increasing the market value of stations.

77.   The conference also aims to improve the health of needy youth.

78.   The doctors say they will conduct rigorous research on whether scans improve health and help prolong life, data that is in short supply.

79.   The good news is that most people can learn to manage stress, and in the process, improve their health.

80.   The grizzlies are also expected to improve the health of the Bitterroot ecosystem.