https://blogs.mercola.com:443/sites/vitalvotes/archive/2018/10/03/did-an-ancient-virus-infect-some-people-with-drug-addiction.aspxResearchers say it’s possible that some people may be more prone to drug addiction if they carry an ancient retrovirus called HK2 in their genome. Not all people have HK2 viruses in them, but according to Hilltop Monitor , a new study found thatenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)