Optimal cut-points were determined by maximizing sensitivity and specificity as measured by AUC and Youdens J (sensitivity + specificity 1), which combines sensitivity and specificity into a single performance index ranging from 1 to 1, with 1 indicating a perfect test.31 These measures of test performance were examined for both self- and interviewer-administered formats
[2] Using chewing tobacco can cause various harmful effects such as dental disease, oral cancer, oesophagus cancer, and pancreas cancer, coronary heart disease, as well as negative reproductive effects including stillbirth, premature birth and low birth weight
Vaporizers work differently than traditional blunts, bongs, and bowls
Used since prehistoric times as an entheogen for spiritual experiences, some cultures have used psilocybin mushrooms in their religious rites and ceremonies
It has banned smoking in most indoor public places and raised public awareness of its dangers
And, rightfully so