earliest tobacco use Humans' Evidence of Uncovered in Utah North America's Earliest Smokers May

While this price is guaranteed, it is lower than the natural market price because of the lack of market risk

This is important, Jackler says, because younger people are more likely to begin using tobacco, with the risk of becoming addicted to nicotine

Variations in genes related to nicotine metabolism, receptor sensitivity, and reward processing increase the risk of developing dependence on tobacco products

Trehy M L, Ye W, Hadwiger M E et al (2011)

Actually, there have been some misunderstandings regarding certain English phrase

If someone becomes addicted to alcohol, nicotine or drugs, they can become so focussed on feeding their habits that engaging with learning or socialising becomes difficult