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© Springer Nature Switzerland AG 2021
R. Chandrappa, D. B. Das, Environmental Health - Theory and Practice,
https://doi.org/10.1007/978-3-030-64480-2_6
Chapter 6
Public Health
Abstract Environmental exposures contribute to 19% of global cancer incidences.
Around 10% of all deaths and diseases worldwide are also attributed to environmental factors. With the increase in human population worldwide, there is a rise in the
impact on the environment pollution. For example, the dangers of migration, transportation, refining, and mining now extend to global climate change. The burden of
disease around the globe attributed to the unhealthy environment is 22% that caused
death of 12.6 million people in 2012 representing 23% of all deaths. Up to 26% of
all losses of life in children below the age of 5 years could be avoided by removing
environmental risks. Understanding public health is therefore important to safeguard the health of public. In addressing these issues, this chapter discusses the
fundamentals of public health.
6.1 Introduction
Environmental exposures contribute to 19% of global cancer incidence (Vineis and
Xun 2009). Around 10% of all deaths as well as diseases worldwide are attributed
to environmental factors, namely (WHO 2009):
• Climate change
• Indoor air pollution from solid fuels
• Lead exposure
• Sanitation and hygiene
• Unsafe water
• Urban outdoor air pollution
With the increase in human population worldwide there is a rise in the impact on
the environment. The dangers of migration, transportation, refining, and mining
now extend to global climate change.
As per the WHO (2016a) the burden of disease around the globe attributed to the
unhealthy environment is 22% that caused death of 12.6 million people in 2012
representing 23% of all deaths. As per the report, out of 133 injuries or diseases 101
had noteworthy links with the environment. As per the report, sicknesses with the
highest preventable ailment burden due to environmental risks are as follows:
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