Cancer is a major global public health problem. In recent years, due to factors such as diet, environment, and population aging, the global incidence of cancer has been increasing. The leading cause of death is increasingly prominent.
According to the latest 2020 global cancer burden data released by the International Agency for Research on Cancer (IARC), China has become a veritable cancer powerhouse. As the world’s most populous country, China’s cancer data is not optimistic. Whether it is the number of new cases or the number of deaths, China ranks first in the world.
Recently, the international authoritative medical journal The Lancet published a study entitled “The global burden of cancer attributable to risk factors, 2010-19: a Research paper for systematic analysis for the Global Burden of Disease Study 2019”.
This study shows that Almost half of global cancer deaths are caused by known risk factors such as smoking, alcohol consumption and obesity Smoking remains a global Major risk factors for cancer. This demonstrates that the cancer burden remains an important public health challenge that is growing on a global scale.
In this study, researchers assessed for the first time 34 behavioral, metabolic, How a list of environmental and occupational risk factors contributes to cancer death and poor health outcomes globally, regionally and nationally, across age groups, gender and time. Estimates of the cancer burden are based on Death and Disability-Adjusted Life Years (DALYs), which measure the number of years of life lost due to death and the number of years lived with disability.
Overall,In 2019, nearly 4.45 million cancer deaths worldwide were attributable to risk factors such as smoking, alcohol consumption and obesity, accounting for 44.4% of all cancer deaths worldwide %. Among them, 50.6% of cancer deaths in men were due to risk factors such as smoking, alcohol consumption and being overweight, and 36.3% in women. There were 105 million cancer DALYs attributable to all risk factors, accounting for 42% of all cancer DALYs.
For attributable cancer DALYs, the main risk factor for men was smoking, which accounted for 33.9% of all cancer DALYs in men in 2019. Alcohol use, dietary risk, and air pollution were the second largest risk factors, accounting for 7.4%, 5.9%, and 4.4% of all male cancer DALYs in 2019, respectively.
For women, smoking was also a major risk factor, accounting for 10.7% of all women’s cancer DALYs in 2019. Unsafe sex was the second-leading risk factor for women, accounting for 8.2% of all women’s cancer DALYs in 2019, followed by dietary risk (5.1%), obesity (4.7%), and high fasting glucose (3.6%) .
Cancer DALYs due to 11 Level 2 Risk Factors
Analysis of cancer deaths found that the leading causes of cancer deaths due to risk were tracheal, bronchial and lung cancers, accounting for 36.9% of all cancer deaths due to risk factors
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Gender-specific cancer death statistics
In addition, researchers found that men and women differed in two major risk factors: behavioral risk and environmental and occupational risk.
In terms of behavioral risk, smoking-related DALYs for men (33.2%) were almost four times that for women (8.9%). In terms of alcohol consumption, men (7.4%) had more than three times the cancer DALY than women (2.3%).
The higher cancer DALY in men may be because men are more likely to smoke and drink alcohol than women, researchers say.
In Researching Environmental and Occupational Risks, research found that DALYs from cancer were three times higher in men (3.9%) compared to women (1.3%) , suggesting that men may be more likely than women to work in places with a high risk of exposure to carcinogens.
Taken together, studies show that the burden of cancer remains an important public health challenge, that smoking remains a major risk factor for cancer worldwide, and that other important contributors to cancer burden vary . The results can help policymakers and researchers identify key risk factors that can be targeted for reducing regional, national and global cancer deaths.
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