The Report finds that while the US was once a leader in tobacco control, partial smokefree legislation, the failure to adopt graphic warnings, and the relative affordability of tobacco means that the US has fallen behind countries like Canada and Australia.
Smoking is a cause of liver cancer and colorectal cancer, the fourth-most-diagnosed form of the disease in the United States, Acting Surgeon General Boris D. Lushniak found in a report released Friday. In addition, he said, smoking is a cause of Type 2 diabetes mellitus, age-related macular degeneration, erectile dysfunction and rheumatoid arthritis. It can impair the immune system, worsen asthma and cause cleft lips and palates in fetuses. And exposure to secondhand smoke can cause strokes.
Smokers today have a much higher risk of developing lung cancers than did smokers in the 1960s, probably because of changes in the design and composition of cigarettes over time, according to the findings.