https://www.mayoclinic.org/es-es/diseases-conditions/drug-addiction/symptoms-causes/syc-20365112

http://cadenaser.com/programa/2013/06/14/ser_historia/1371165434_850215.html

https://www.google.com.mx/search?q=DROGADICCION&oq=DROGADICCION+&aqs=chrome..69i57j0l5.5175j0j7&sourceid=chrome&ie=UTF-8

https://www.notimerica.com/sociedad/noticia-diez-tipos-drogas-mas-consumidas-mexico-20141124140942.html

https://www.institutoneurociencias.med.ec/component/k2/item/15001-drogas-causas

https://youtu.be/NlPcYAwMGOw

https://www.google.com.mx/search?q=no+a+las+drogas&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjku-KJgaLeAhWE6YMKHSVjAjMQ_AUIDigB&biw=931&bih=597#imgrc=QbrgOfD4Jbd1zM: