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
Tropic of Capricorn (novel) with "Tropic of Cancer", were boosted by the controversy surrounding their censorship, with complaints against Miller and his publisher on charges of pornography. In the 1940s and 1950s, Miller’s books were hard to find and expensive. The banned books were occasionally smuggled into the US, although they were often seized by Customs. In 1944, accompanied by his soon-to-be third wife Janina Martha Lepska, Miller read excerpts from "Tropic of Capricorn" and "Black Spring" at the Library of Congress in Washington, DC. "Tropic of Capricorn" was banned in the United States until a 1961 Justice Department ruling declared that its contents