There could be others who did see him use the substances, and their knowledge would be far more harmful.
Studies of biological therapies like kava, primrose oil, guar gum, wild yam cream and red clover showed little or no difference in symptoms between those who used the substances and those given a placebo.
Dr. Nicholas J. Vogelzang, director of the Nevada Cancer Institute, said that none of his researchers use the substance and that nobody involved with the institute had stayed at the hotel in recent months, if ever.
On the other hand, Hill said, if a player cited in the report is asked if he used the substance and says he did not, "they have to accept that".
"You submit the data, FDA reviews it, and you get back 'no questions.' That's supposed to be the carrot," says Acheson; the stick is if companies use the substance and the FDA later determines it's a problem.
When harm is discovered, all the businesses and people using the substance must stop using it and if possible repair the damage caused by the chemical.
At age 15, adolescents were assessed for their alcohol consumption, using the Substance Use Questionnaire [21] and the Lifetime Drinking History Scale [22]).
"He denied using the substance discussed in the article and we believe him".
The investigators need documentation and testimony that ties the players to the use of the substances, and it does not appear the university has that information.
Substance use, via the Substances and Choices Scale [ 56], which is a one-page self-report questionnaire designed for young people aged 13-18 years and takes about 5 minutes to complete.
In our model, we observe activation of the trigeminal ganglion using the inflammatory substances CFA and IS.
