daily cigarette consumption per smoker Study: 60% who try cigarettes

The Golden Leaf: How Tobacco Shaped Cuba and the Atlantic World

While a short stricture length and absence of ulceration have been characterized as favorable prognostic factors, conversely smoking appears to double the risk of future stricture recurrence and the need for further intervention [44]

(August 27, 2015)

I countered that those differences are likely explained by other factors, including Americas more comprehensive reporting, higher chronic-disease rates, older population, and colder climate

The American Lung Association states that inhaling smoke from any burning plant material can damage lung tissue and increase the risk of lung cancer