Climate change hits kids’ health hard, study says

Need to focus on malnourished children

India ranks high in the list of climate-vulnerable countries in the world

NEW DELHI, Dec 13 (The CONNECT) - Scientists have found that climate parameters lead to significant number of infectious disease cases.

Climate change driven by anthropogenic activities may challenge the gains in public health over the past many years, particularly in a country like India that ranks high in the list of climate-vulnerable countries in the world. Globally, it is estimated that children are to bear most of the burden of disease due to climate change, with the poorest disproportionately affected. The higher risk associated with children is due to the combination of physiological vulnerability as well as the risk of exposure, a scientific study said.

The study by DST-Mahamana Center of Excellence in Climate Change Research -BHU, explored the association between climate parameters and infectious diseases in a three-year follow-up prospective cohort of 461 children under 16-years-of-age in Varanasi city. This is the first such study undertaken over the central Indo-Gangetic Plain region for the first time. The research by R K Mall, Nidhi Singh, T. Banerjee, and Akhilesh Gupta, has recently been published in a reputed international journal, ‘Science of the Total Environment’.

Accounting for extensive socioeconomic household data and child anthropometric measurements, the researchers established that climate parameters like temperature, humidity, rainfall, solar radiation, and wind speed were significantly associated with the infectious diseases-- gastrointestinal diseases, respiratory diseases, vector-borne diseases, and skin diseases, in children in Varanasi.

Maximum temperature and humidity (absolute and relative) are important climate drivers. This study found that climate parameters accounted for 9-18% of the total infectious disease cases, while non-climate parameters account for the rest. Upper respiratory tract infection (mostly cold and flu) and gastrointestinal infections (mainly diarrhoea) constitute 78% of the disease burden. Socio-economic conditions and child anthropometry modified the climate-disease association with high proportion of children found suffering from stunting, wasting, and underweight conditions.

Findings from this study draw the attention of government and policymakers to prioritize effective measures for child health as the present association may increase disease burden in the future under climate-change scenarios in already malnourished paediatric population through multiple pathways.  

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