can you smoke cigarettes and breastfeed Smoking While Breast-feeding: Is It Dangerous? Cigarette and Breastfeeding: What Are

If you are a smoker/tobacco user who is trying to quit or looking for a safer alternative, then yes vaping can provide that alternative

Researchers have found that counterfeit cigarettes can have as much as seven times the lead of authentic brands and close to three times as much thallium, a toxic heavy metal.[17] Other sources report finding insect eggs, dead flies, mold, and human feces in counterfeit cigarettes.[18] During the prohibition of alcohol in the United States during the 1920s, increased enforcement failed to significantly decrease the prevalence of bootlegging because the profit margins were so large and the distribution networks sophisticated

Hence, the above table can only act as a rough guide

Inhale knowledge, exhale smoke