The journal World Psychiatry put together a study that focused on COVID-19 "breakthrough" infections in fully vaccinated people who were diagnosed with substance use disorder (SUD). It's a condition that makes people have uncontrollable dependences on drugs like marijuana, alcohol, cocaine, opioids and tobacco. It showed that 3.6 percent of vaccinated people without SUD were infected and 7 percent who were of those with SUD had breakthrough infections.
"Patients with cannabis use disorder, who were younger and had less comorbidities than the other SUD subtypes, had higher risk for breakthrough infection even after they were matched for adverse socioeconomic determinants of health and comorbid medical conditions with non-SUD patients," the researchers wrote. "Additional variables, such as behavioral factors or adverse effects of cannabis on pulmonary and immune function, could contribute to the higher risk for breakthrough infection in this group."
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SOURCE: NEWS WEEK