Quarterly updated newsletters from the National Center for Drug Free Sport which include current topics around sport athlete drug and supplement use. Many of these issues are applicable to performing artists as well. The below link takes you to the website with the updated newsletters.
Specific articles of interest noted below:
-Pain killer and prescription drug overuse.
Insight pain killer article
-Kratom, A High Risk Supplement
-An Update on E-cigarettes
Download the PDF version of the Insight newsletter to read these articles.