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
Validation of foreign studies and degrees Validation of foreign studies and degrees The Validation or recognition of foreign studies and degrees is the process whereby a competent authority in one country formally recognises the value of a qualification from a foreign country. This can entail total or partial validation of foreign university and non-university studies, degrees and other qualifications. Particularly within Europe, this is covered by a number of international conventions and agreements. The first generation of recognition conventions was developed under the auspices of UNESCO in the 1970s and 1980s, with conventions covering Latin America and the Caribbean (1974), the Mediterranean (1976), the Arab States