Obesity and cancer third most important risk factor for cancer in the United States, just behind tobacco and diet (see Figure). Obesity is the source of about 15% of all preventable cancers. In 2018, Chinese researchers performed a systematic review and comprehensive quantitative meta‐analysis of cohort studies reporting body mass index (BMI) and the risk of 23 cancer types, providing epidemiological evidence supporting the association between BMI and cancer risk. The strongest positive association between BMI and cancer risk was found among patients in North America. The mechanisms by which obesity may increase the risk of cancer are not well understood, but it
The North and the South; or, Slavery and Its Contrasts by Harriet Beecher Stowe, which was criticised in the South as inaccurately depicting the workings of slavery and the attitudes of plantation owners towards their slaves. Rush's novel departs from this aspect, instead claiming that the sympathies expressed for slaves in the South is better directed at the "white slaves of poverty" (i.e. the working classes) of the North. A similar angle had been taken (albeit with less fervour) in the earlier anti-Tom novel "The Cabin and Parlor; or, Slaves and Masters" by Charles Jacobs Peterson. This change in attitude would put "The North and the South" on a similar