IIT Mandi Researchers Identifies Key Risk Factors For Cardiovascular Diseases In Adults

The findings suggest that older adults in India are prone to physiological risk followed by genetic, indoor environmental and behavioural risk factors

Indian Institute of Technology Mandi researchers have conducted a study to identify the most significant risk factors for cardiovascular diseases (CVDs) among adults aged 45 and above in India. CVDs are a leading cause of mortality worldwide, claiming the lives of around 17.9 million people annually. The researchers analysed data from more than 59000 individuals aged 45 and above in both rural and urban India and arrived at the predominant risk factors of the disease.

The details of the research have been published in the journal, Current Problems in Cardiology (Elsevier) - Impact Factor: 16.464, in a paper co-authored by Dr Ramna Thakur Associate Professor, School of Humanities and Social Sciences, IIT Mandi and her research scholars Gayathri and Sujata.

The research team utilised data from the Longitudinal Ageing Study in India (LASI), a nationally representative longitudinal survey of 73,396 individuals aged 18 and above covering all Indian states and Union Territories. The data were collected from wave 1 of the study launched under the aegis of the Ministry of Health and Family Welfare, Government of India, with International Institute for Population Sciences (IIPS), Mumbai, being the nodal agency. The researchers included 59,073 older adults aged 45 and above after cleaning the data.

The study found that environmental exposure is a significant risk factor for the occurrence and progression of CVDs in older adults in India. A majority of the population of India resides in rural areas and uses unclean fuels for cooking and other purposes, exposing them to harmful smoke emitted from burning them. Second-hand smoke exposure, commonly referred to as passive smoking, is believed to have similar cardiovascular effects and risks comparable to active smoking.

The study also identified behavioural risk factors such as physical inactivity leading to CVDs. The study showed that the effect of physiological factors, which include diabetes, high cholesterol, depression and being overweight or obese, is particularly serious. The sedentary lifestyle of people, the adoption of fast-food culture and urbanisation are some of the reasons for the prevalence of these physiological factors.

To reduce indoor air pollution and safeguard public health, the study recommends promoting the use of cleaner technology such as liquified petroleum gas, solar, electricity and biogas. Engaging in light to moderate physical activity in middle or older age has a considerable positive impact on the reduction of the risk of cardiovascular disease and overall mortality. Risk awareness programmes associated with alcohol and tobacco use could also be an effective method to curb their use and reduce the probability of getting diagnosed with CVDs.

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