Written By THT Editorial Team
Reviewed by Sanjogta Thapa Magar, Food Microbiologist
Environmental health refers to the study of how environmental factors can impact human health. These environmental factors can include air and water pollution, exposure to toxins, and even climate change. Environmental health is a crucial aspect of disease prevention and management, as it can help us identify and reduce risks that may be contributing to the development of diseases.
Air pollution is a significant environmental health concern. It is linked to various respiratory and cardiovascular conditions, including asthma, chronic obstructive pulmonary disease (COPD), and heart disease. In addition to outdoor air pollution, indoor air pollution can also be a concern, especially in homes with poor ventilation or where harmful chemicals are present.
Water safety is another crucial aspect of environmental health. Contaminated water can lead to the spread of infectious diseases, including cholera, typhoid, and hepatitis A. Proper sanitation and access to clean drinking water are essential for preventing these diseases.
In recent years, the impact of climate change on human health has become increasingly clear. Rising temperatures, extreme weather events, and changing disease patterns are all linked to climate change. Climate change can also contribute to the spread of diseases carried by insects, such as mosquitoes, ticks, and fleas.
To prevent and manage diseases related to environmental factors, it is essential to address the root causes of these issues. This can include reducing emissions that contribute to air pollution, improving water treatment and sanitation infrastructure, and taking steps to mitigate the effects of climate change.
Nepal faces various environmental health challenges that can lead to an increased risk of disease. For example, air pollution is a major concern in Nepal, particularly in cities such as Kathmandu. According to a study published in the International Journal of Environmental Research and Public Health 2, air pollution levels in Kathmandu exceed the World Health Organization’s recommended limits, with particulate matter being a major pollutant. This can lead to respiratory problems and other health issues.
Additionally, water safety is another concern in Nepal. According to a study published in the Journal of Water and Health 1, water quality in Nepal can be compromised due to factors such as poor sanitation and inadequate water treatment facilities. This can lead to the spread of waterborne illnesses such as cholera and diarrhea.
Finally, noise pollution is also a concern in Nepal, particularly in urban areas. According to a study published in the Journal of Environmental and Public Health 3, exposure to high levels of noise pollution can lead to various health issues, including cardiovascular disease and mental health problems.
Overall, addressing environmental health challenges such as air pollution, water safety, and noise pollution is crucial for disease prevention and management in Nepal. This requires a combination of individual actions, such as reducing car use and properly disposing of waste, as well as larger-scale efforts, such as improving infrastructure and implementing effective policies.
REFERENCES
- Karki, S., et al. (2020). Air pollution in Kathmandu valley: An overview of PM2.5 and black carbon. International Journal of Environmental Research and Public Health, 17(14), 5176. https://doi.org/10.3390/ijerph17145176
- Shrestha, R., et al. (2018). Water quality in Nepal: An overview. Journal of Water and Health, 16(1), 63-76. https://doi.org/10.2166/wh.2017.259
- Shrestha, I. L., et al. (2016). Noise pollution in Kathmandu, Nepal. Journal of Environmental and Public Health, 2016, 8478126. https://doi.org/10.1155/2016/8478126