can two cigarettes a day hurt you Social smoking: Will an occasional cigarette damage your health? How Many Cigarettes Do You
Description
Rodent longitudinal models suggest that after eight months of exposure to e-cigarettes containing nicotine, significant differences in arterial stiffness were observed, similar to mice exposed to combustible tobacco product smoke [84]

Mutation Research, 1997
Test after test in rodents showed that smaller doses of 6-methylnicotine elicited greater responses than nicotine for several outcomes, Jabba and his colleagues noted

As previously mentioned, Nicotinell 2mg gum contains titanium dioxide, which is under review by the FSA regarding its safety
If not, check the manufacturers specifications
