Buying cigarettes can symbolize the desire to return to past habits, as well as the pressures that occur in social environments
IARC, Lyon, FR, pp 37385 Hoffmann D, Hecht SS (1990) Advances in tobacco carcinogenesis
HIV infection has been associated with dysbiosis of oral microbiome, with increased levels of pathogenic bacteria and fungi [74, 75], HIV-infected smokers showed rich abundance of specific bacterial taxa compared to infected non-smokers, including Granulicatella , Lactobacillus , Veillonella , Enhydrobacter , Streptococcaceae and Comamonadaceae , moreover, abundance of the fungal genus Candida was also increased in HIV-infected smokers [76]
Think of puff count and nicotine strength as helpful hints, and always listen to how your body responds