Joy Kumar Chakma

ORCID: 0000-0002-9521-1219
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About
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Research Areas
  • Leprosy Research and Treatment
  • Global Public Health Policies and Epidemiology
  • Energy and Environment Impacts
  • Air Quality and Health Impacts
  • Child Nutrition and Water Access
  • Climate Change and Health Impacts
  • Tuberculosis Research and Epidemiology
  • Global Health and Epidemiology
  • Global Maternal and Child Health
  • Healthcare Systems and Reforms
  • Global Health Care Issues
  • Mycobacterium research and diagnosis
  • Hematological disorders and diagnostics
  • Peripheral Neuropathies and Disorders
  • Venomous Animal Envenomation and Studies
  • Health Promotion and Cardiovascular Prevention
  • Rabies epidemiology and control
  • Rabbits: Nutrition, Reproduction, Health
  • Cardiovascular Health and Risk Factors
  • Health disparities and outcomes
  • Smoking Behavior and Cessation
  • Obesity, Physical Activity, Diet
  • Suicide and Self-Harm Studies
  • Bone health and treatments
  • Herbal Medicine Research Studies

Indian Council of Medical Research
2012-2025

National JALMA Institute for Leprosy & Other Mycobacterial Diseases
2012-2024

Public Health Foundation of India
2018-2021

Government of India
2018-2021

Ministry of Health and Family Welfare
2018-2021

Department of Health Research
2018-2021

Dayanand Medical College & Hospital
2021

Public Health Department
2021

Institute for Health Metrics and Evaluation
2018-2020

University of Washington
2018-2020

Air pollution is a major planetary health risk, with India estimated to have some of the worst levels globally. To inform action at subnational in India, we exposure air and its impact on deaths, disease burden, life expectancy every state 2017.We pollution, including ambient particulate matter defined as annual average gridded concentration PM2.5, household percentage households using solid cooking fuels corresponding across states accessible data from multiple sources part Global Burden...

10.1016/s2542-5196(18)30261-4 article EN cc-by The Lancet Planetary Health 2018-12-06

Mental disorders are among the leading causes of non-fatal disease burden in India, but a systematic understanding their prevalence, burden, and risk factors is not readily available for each state India. In this report, we describe prevalence mental disorder states from 1990 to 2017.We used all accessible data multiple sources estimate disorders, years lived with disability (YLDs), disability-adjusted life-years (DALYs) caused by these India 2017, as part Global Burden Diseases, Injuries,...

10.1016/s2215-0366(19)30475-4 article EN cc-by The Lancet Psychiatry 2019-12-23
Anamika Pandey Michael Bräuer Maureen Cropper Kalpana Balakrishnan Prashant Mathur and 95 more Sagnik Dey Burak Turkgulu G Anil Kumar Mukesh Khare Gufran Beig Tarun Gupta Rinu P Krishnankutty Kate Causey Aaron J. Cohen Stuti Bhargava Ashutosh N. Aggarwal Anurag Agrawal Shally Awasthi Fiona B Bennitt Sadhana Bhagwat P. Bhanumati Katrin Burkart Joy Kumar Chakma Thomas C. Chiles Sourangsu Chowdhury Devasahayam Jesudas Christopher Subhojit Dey Samantha Fisher Barbara M. Fraumeni Richard Fuller Aloke Gopal Ghoshal Mahaveer Golechha Prakash C. Gupta Rachita Gupta Rajeev Gupta Shreekant Gupta Sarath Guttikunda David Hanrahan S Harikrishnan Panniyammakal Jeemon Tushar Kant Joshi Rajni Kant Surya Kant Tanvir Kaur Parvaiz A Koul Praveen Kumar Rakesh Kumar Samantha Leigh Larson Rakesh Lodha Kishore K Madhipatla P A Mahesh Ridhima Malhotra Shunsuke Managi Keith Martin Matthews Mathai Joseph L. Mathew Ravi Mehrotra Viswanathan Mohan Viswanathan Mohan Satinath Mukhopadhyay Parul Mutreja Nitish Naik Sanjeev Nair Jeyaraj Pandian Pallavi Pant Perianayagam Arokiasamy Dorairaj Prabhakaran Poornima Prabhakaran Goura Kishor Rath Shamika Ravi Ambuj Roy Yogesh Sabde Sundeep Salvi Sankar Sambandam Bhavay Sharma Meenakshi Sharma S. Sharma R S Sharma Aakash Shrivastava Sujeet Kumar Singh Virendra Singh Rodney B.W. Smith Jeffrey D Stanaway Gabrielle Taghian Nikhil Tandon JS Thakur Nihal Thomas Gurudayal Singh Toteja Chris M Varghese Chandra Venkataraman Krishnan N Venugopal Katherine Walker Stefanie Watson Sarah Wozniak Denis Xavier Gautam N. Yadama Geetika Yadav Deeksha Shukla Hendrik J Bekedam K. Srinath Reddy

The association of air pollution with multiple adverse health outcomes is becoming well established, but its negative economic impact less appreciated. It important to elucidate this for the states India.

10.1016/s2542-5196(20)30298-9 article EN cc-by The Lancet Planetary Health 2020-12-27

The burden of diabetes is increasing rapidly in India but a systematic understanding its distribution and time trends not available for every state India. We present comprehensive analysis the heterogeneity across all states between 1990 2016.We analysed prevalence disability-adjusted life-years (DALYs) from to 2016 using data sources that could be accessed as part Global Burden Diseases, Injuries, Risk Factors Study 2016, assessed states. were placed four groups based on epidemiological...

10.1016/s2214-109x(18)30387-5 article EN cc-by The Lancet Global Health 2018-09-12

BackgroundThe burden of cardiovascular diseases is increasing in India, but a systematic understanding its distribution and time trends across all the states not readily available. In this report, we present detailed analysis how patterns major risk factors have changed India between 1990 2016.MethodsWe analysed prevalence disability-adjusted life-years (DALYs) due to component causes from 2016, using accessible data sources as part Global Burden Diseases, Injuries, Risk Factors Study 2016....

10.1016/s2214-109x(18)30407-8 article EN cc-by The Lancet Global Health 2018-09-12

<h2>Summary</h2><h3>Background</h3> Previous efforts to report estimates of cancer incidence and mortality in India its different parts include the National Cancer Registry Programme Reports, Sample Registration System cause death findings, Incidence Five Continents Series, GLOBOCAN. We present a comprehensive picture patterns time trends burden total specific types each state estimated as part Global Burden Diseases, Injuries, Risk Factors Study (GBD) 2016 because such systematic...

10.1016/s1470-2045(18)30447-9 article EN cc-by The Lancet Oncology 2018-09-12

India has 18% of the global population and an increasing burden chronic respiratory diseases. However, a systematic understanding distribution diseases their trends over time is not readily available for all states India. Our aim was to report in heterogeneity between 1990 2016.Using accessible data from multiple sources, we estimated prevalence major deaths disability-adjusted life-years (DALYs) caused by them every state 2016 as part Global Burden Diseases, Injuries, Risk Factors Study...

10.1016/s2214-109x(18)30409-1 article EN cc-by The Lancet Global Health 2018-09-12

<h2>Summary</h2><h3>Background</h3> Malnutrition is a major contributor to disease burden in India. To inform subnational action, we aimed assess the due malnutrition and trends its indicators every state of India relation Indian global nutrition targets. <h3>Methods</h3> We analysed attributable child maternal malnutrition, from 1990 2017 using all accessible data multiple sources, as part Global Burden Diseases, Injuries, Risk Factors Study (GBD) 2017. The states were categorised into...

10.1016/s2352-4642(19)30273-1 article EN cc-by The Lancet Child & Adolescent Health 2019-09-18

<h2>Summary</h2><h3>Background</h3> A systematic understanding of suicide mortality trends over time at the subnational level for India's 1·3 billion people, 18% global population, is not readily available. Thus, we aimed to report deaths, and heterogeneity in its distribution between states India from 1990 2016. <h3>Methods</h3> As part Global Burden Diseases, Injuries, Risk Factors Study (GBD) 2016, estimated death rates (SDRs) both sexes each state We used various data sources estimating...

10.1016/s2468-2667(18)30138-5 article EN cc-by The Lancet Public Health 2018-09-12

<h2>Summary</h2><h3>Background</h3> India has made substantial progress in improving child survival over the past few decades, but a comprehensive understanding of mortality trends at disaggregated geographical levels is not available. We present detailed analysis subnational to inform efforts aimed meeting National Health Policy (NHP) and Sustainable Development Goal (SDG) targets for mortality. <h3>Methods</h3> assessed under-5 rate (U5MR) neonatal (NMR) from 2000 2017 5 × km grids across...

10.1016/s0140-6736(20)30471-2 article EN cc-by The Lancet 2020-05-01

<h2>Summary</h2><h3>Background</h3> A systematic understanding of the burden neurological disorders at subnational level is not readily available for India. We present a comprehensive analysis disease and trends state in <h3>Methods</h3> Using all accessible data from multiple sources, we estimated prevalence or incidence disability-adjusted life-years (DALYs) 1990 to 2019 states India as part Global Burden Diseases, Injuries, Risk Factors Study 2019. assessed contribution each disorder...

10.1016/s2214-109x(21)00164-9 article EN cc-by The Lancet Global Health 2021-07-14

A systematic understanding of population-level trends in deaths due to road injuries at the subnational level over time for India's 1·4 billion people, by age, sex, and type user is not readily available; we aimed fill this knowledge gap.As part Global Burden Diseases, Injuries, Risk Factors Study, estimated rate each state India from 1990 2017 based on several verbal autopsy data sources. We calculated number death user, assessed age sex distribution these time. Based age-standardised 2017,...

10.1016/s2468-2667(19)30246-4 article EN cc-by The Lancet Public Health 2019-12-23

To inform actions at the district level under National Nutrition Mission (NNM), we assessed prevalence trends of child growth failure (CGF) indicators for all districts in India and inequality between within states.We CGF (stunting, wasting underweight) from 2000 to 2017 across India, aggregated 5 × km grid estimates, using accessible data various surveys with subnational geographical information. The states were categorised into three groups their Socio-demographic Index (SDI) levels...

10.1016/j.eclinm.2020.100317 article EN cc-by EClinicalMedicine 2020-05-01

<title>Abstract</title> <bold>Background: </bold>Snakebite envenomation (SBE), a neglected tropical disease is significant cause of mortality and disability in India. Despite which comprehensive epidemiological data remains scarce. This study aimed to estimate the incidence, mortality, clinical outcomes, treatment-seeking behavior, socio-economic burden SBE across <bold>Methods: </bold>Cross-sectional survey involving residents from 31 districts 13 states India, representing an approximate...

10.21203/rs.3.rs-5917450/v1 preprint EN cc-by Research Square (Research Square) 2025-02-15

Aim. To study the magnitude of default, time its causes, and final clinical outcome. Methods . Data collected in active surveys Agra is analyzed. Patients were given treatment after medical confirmation followed up. The default other outcomes recorded. Results who defaulted have comparable demographic characteristics. However, among defaulters more women (62.7% PB, 42.6% MB) seen than those completers (PB 52.7% MB 35.9%). Nerve involvement was high completers: 45.7% PB 91.3% leprosy. Overall...

10.1155/2015/705804 article EN BioMed Research International 2015-01-01

C-C motif chemokine ligand 2, a gene that codes for protein involved in inflammation. Certain SNPs the CCL2 have been studied their potential associations with susceptibility to various diseases. These may affect production and function of protein, which is recruitment immune cells sites Variations influence response M. leprae infection. To investigate association ligand-2 single nucleotide polymorphisms leprosy. were analyzed total 975 leprosy patients 357 healthy controls. Of those, 577...

10.1016/j.micinf.2024.105298 article EN cc-by-nc-nd Microbes and Infection 2024-01-18

BACKGROUND: Lifestyle has long been associated with the development of many chronic diseases and noncommunicable (NCDs). NCDs are largely preventable through effective interventions by tackling shared modifiable risk factors, onset progress can also be delayed. Therefore, objectives this study were to determine practice lifestyle assess burden factors among students selected colleges Delhi University. MATERIALS AND METHODS: A descriptive cross-sectional was conducted 450 from two...

10.4103/ijhas.ijhas_34_16 article EN International Journal of Health & Allied Sciences 2017-01-01

Background: Studies on the extent to which long-term exposure ambient particulate matter (PM) with aerodynamic diameter ≤2.5μm (PM2.5) contributes adult mortality in India are few, despite over 99% of Indians being exposed levels that World Health Organization (WHO) considers unsafe. Objective: We conducted a retrospective cohort study within Million Death Study (MDS) provide first-ever quantification national from PM2.5 1999 2014. Methods: calculated relative risks (RRs) by linking total...

10.1289/ehp9538 article EN Environmental Health Perspectives 2022-09-01

Snakebite is possibly the most neglected of NTDs (Neglected Tropical Diseases). Half global deaths due to venomous snakebites, estimated at 100,000 per year, occur in India. The only representative data on snakebite available from India mortality RGI-MDS study (Registrar General India- 1 Million Death Study) and another state Bihar. Incidence for 2 districts West Bengal only. Hospital-based admissions use ASV are gross underestimates as victims rural depend more alternate treatment methods...

10.1371/journal.pone.0270735 article EN cc-by PLoS ONE 2022-08-22
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