A recent study revealed that air pollution may increase risk of death by 20 percent. 

a foreign journal report that the researchers found that household air pollution is linked with cardiovascular-related deaths. Scientists are still studying and exploring how environmental factors cause risk to heart health.

The research studied multiple factors like proximity to traffic, socioeconomic situation, population density, and fuel use in households, to mention a few. 

Areas with higher air pollution were found likelier to have cardiovascular mortality. There was a 20% more chance of general all-cause mortality.

Individuals who use biomass fuel like wood were 36% more likely to experience such a death.

The study authors noted the need to address environmental risks especially those related to heart health. 

The World Health Organization’s study shows that at least 24 percent of all deaths worldwide were attributable to the environment. Factors include air pollution, water and sanitation, increasing heat waves and severe weather events, harmful exposure to chemicals and more. The estimation of the burden of disease from environmental factors relies on information about exposure and exposure response relationships, the WHO mentioned.

Understanding how much disease and ill health can be attributed to modifiable environmental risks can contribute to identifying opportunities for prevention and should add impetus to global efforts to encourage sound preventive measures through available policies, strategies, interventions, technologies and knowledge, said in the statement.

The WHO combines expertise and evidence to estimate the environmental burden of disease, which quantifies the amount of disease caused by environmental risks.

For example, WHO produces internationally comparable estimates on population exposure globally, including working with UNICEF on water and sanitation estimates through the Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (JMP), and global databases on air pollution.

The WHO also coordinates the development of exposure–response relationships, such as the regular updates of systematic analyses of the impacts of drinking-water, sanitation and hygiene on health. This type of information is then combined to estimate the global burden of disease of various environmental risks to health.

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