61. The reasons are unknown, but researchers suspect that the prevalance of crack cocaine use in the East, often accompanied by unprotected sex, may be to blame. 62. The son of the late US Senator John Chafee, like Kennedy, has admitted past cocaine use. 63. The study did not address such questions as how long the narrowing lasts, whether it becomes permanent after long-term cocaine use or when brain damage might occur. 64. There was much debate over that issue in the days leading up to the ceremony because of recent reports linking Lewis to cocaine use. 65. They thought the numbers of unwanted babies were rising because of the increased cocaine use in the neighborhoods near their hospital. 66. Those who remained showed a significant reduction in cocaine use, as measured by urine samples. 67. Toxicology reports showed that four of the five victims tested positive for crack cocaine use prior to death. 68. Two major publications have published stories over the last three months about the issue without offering proof of cocaine use. 69. Two other pilots held on to their jobs despite testing positive for cocaine use last year. 70. Urine samples were taken three times a week to test for cocaine use. |