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Cancer now biggest killer in richer countries

05/09/2019

Cancer has surpassed cardiovascular disease as the biggest killer of middle-aged people in higher-income nations, a study suggests. Globally, stroke and heart problems are the leading causes of death among this age group. But the findings of this latest research led by a team from Canada's McMaster University shows that middle-aged people in rich nations are 2.5 times more likely to die of cancer than cardiovascular disease. In contrast, people in poor countries are three times more likely to die from cardiovascular disease. The study, published in The Lancet, is drawn from a global research program, the Prospective Urban and Rural Epidemiologic (PURE) study, involving 160,000 people from 21 different countries. While cardiovascular disease accounted for more than 40% of deaths in middle- and low-income countries, it only accounted for less than a quarter in richer nations. The researchers say this could be due to people living in richer countries receiving more medication and support. Speaking about the findings of the research, Gilles Dagenais, a professor at Quebec’s Laval University in Canada who co-led the work, said: “Our report found cancer to be the second most common cause of death globally in 2017, accounting for 26% of all deaths. But as (heart disease) rates continue to fall, cancer could likely become the leading cause of death worldwide, within just a few decades.”

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