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Respiratory Issues : Smoking can cause respiratory problems such as chronic bronchitis, emphysema, and chronic obstructive pulmonary disease (COPD)
Wills and the development of the UK tobacco Industry: 1786-1965
So, do they still sell Camels
"The [Wills] family left its remains all over the place and a lot of Bristol's public buildings are a result of the profits made from tobacco," Mr King said
Sample size An initial sample size calculation used the estimate of the within-arm SD of cigarettes per day from a pilot study (5.1 (95% CI [3.7, 8.2]: Additional File 1), which indicated that a sample size of 206 participants would give 80% power at the 5% significance level and a two-sided test to detect a difference of two cigarettes per day