The Health Consequences of Smoking—50 Years of Progress: A Report of the Surgeon General - Executive Summary
Read the section titled "Overview" including Figures 1A and 1B (pages 1-3). Then, read "Section 2: The Health Consequences of Active and Passive Smoking: The Evidence in 2014" (page 5) down to the section titled "Chapter 5: Nicotine" (page 7).
Click https://www.hhs.gov/sites/default/files/consequences-smoking-exec-summary.pdf link to open resource.