how does tobacco affect you physically do cigarettes the body? The Health Effects of Nicotine
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It would be better for your baby if you did not smoke

In the policy scenario, overall tobacco demand in the world is expected to be lower in 2010 by about 10 percent at about 6.5 million tonnes, as a result of strong anti-smoking policies, as shown in Figure 3.3

Rosenberg NJ, Siegel M
At micro-level, in the overwhelming majority of cases, tobacco is grown by small-scale farmers who use only a fraction of their farm for tobacco: they plant other crops, including food crops, in rotation with tobacco and to complement tobacco production
PMC 4022453

Look for healthier alternatives to nicotine consumption such as Grinds