COVID-19 reduces access to opioid dependency treatment for new patientshttps://www.princeton.edu/news/2021/04/15/covid-19-reduces-access-opioid-dependency-treatment-new-patients
Heroin Addiction Explained: How Opioids Hijack the Brain - The New York Timeshttps://www.nytimes.com/interactive/2018/us/addiction-heroin-opioids.html
Vitamin D deficiency may increase risk for addiction to opioids and ultraviolet rayshttps://www.massgeneral.org/news/press-release/Vitamin-D-deficiency-may-increase-risk-for-addiction-to-opioids-and-ultraviolet-rays