A study says nearly half of all cancer deaths could be avoided

A study says nearly half of all cancer deaths could be avoided

World: A new study has found that almost half of all cancer deaths could be avoided, having studied nearly 10 years’ worth of data to identify some of the world’s biggest ‘risk factors’.

In the study, which was published in The Lancet, a team of researchers explored how cancer deaths can be linked to a number of avoidable risk factors.

Smoking was listed as the leading cancer risk factor worldwide, but experts stressed that other ‘substantial contributors to cancer burden’ vary across the globe.

The researchers from the University of Washington’s School of Medicine found that these combined factors contributed to nearly 4.45 cancer deaths a year – the equivalent of 44 per cent of all such deaths.

In total, just over half (50.6 percent) of all male cancer deaths in 2019 were due to risk factors, compared to around a third of all female cancer deaths (36.3 per cent).


While cancer is a leading cause of death – second after heart disease worldwide – this is the first study to examine a multitude of factors on a global level, according to its authors.

Christopher Murray, MD, DPhil, co-senior author and IHME director, said in a statement: “This study illustrates that the burden of cancer remains an important public health challenge that is growing in magnitude around the world. Smoking continues to be the leading risk factor for cancer globally, with other substantial contributors to cancer burden varying.”

For the study, which was funded by the Bill & Melinda Gates Foundation, the team used data from the Global Burden of Diseases, Injuries, and Risk Factors (GBD) 2019 study to estimate the ‘cancer burden attributable to behavioural, environmental and occupational, and metabolic risk factors.’ Cancer death avoided study


The researchers said their findings highlighted that a ‘substantial proportion of cancer burden globally has potential for prevention through interventions aimed at reducing exposure to known cancer risk factors, but that also a large proportion of cancer burden might not be avoidable through control of the risk factors currently estimated’.

“Thus, cancer risk reduction efforts must be coupled with comprehensive cancer control strategies that include efforts to support early diagnosis and effective treatment,” they wrote. Cancer death avoided study

“Most attributable cancer DALYs [disability-adjusted life years] were accounted for by behavioural risk factors suggesting a need for concerted efforts to address behavioural risk factors to effectively reduce cancer burden globally.”

Source: Agencies

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