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Lancet Study: Eliminating Undernutrition Could Prevent 712,000 TB Cases in India (28.6% Reduction)

Target:UPSC GS-IMPSCSSC GATeachingPrelims HighMains MediumStatic GK Link
12 May 2026
~2 min
Source: Indian Express
Key Data:712,00028.6%BMI 18.549%21% decline (2015-2024)28% mortality fall (2015-2024)
Bodies:The LancetWorld Health OrganizationIndian Council of Medical Research (ICMR)M S Swaminathan Research FoundationUniversity of SheffieldKasturba Medical College
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What This Article Covers

1.A Lancet Global Health study estimates eliminating adult undernutrition (BMI<18.5) could avert 28.6% of TB cases in India, translating to 712,000 preventable cases in 2023.

2.The landmark ICMR-backed RATIONS trial provides real-world evidence, showing a modest food basket for TB household contacts reduced active TB risk by 49%.

3.Experts like Dr Soumya Swaminathan argue for strengthening the Public Distribution System (PDS) as a key TB prevention strategy, moving beyond a purely biomedical approach.

The Big Picture
Prelims · HighMains · Medium

A Lancet study quantifies the critical link between undernutrition and Tuberculosis in India, stating 712,000 cases could have been prevented in 2023 by addressing malnutrition. This highlights a major public health policy gap, showing TB elimination requires a multi-pronged approach beyond just medical treatment.

Exam Lens

Quick Exam Facts From News

Preventable TB Cases (2023)712,000
Reduction Potential28.6%
BMI Threshold18.5
RATIONS Trial Risk Reduction49%

1-Minute Revision

  • ›Preventable TB Cases (2023): 712,000
  • ›Reduction Potential: 28.6%
  • ›Target this Data: 712,000 preventable TB cases in India (2023) & 28.6% reduction potential.
  • ›Target this Nodal Body: Indian Council of Medical Research (ICMR) - backed the RATIONS trial.
  • ›Target this Legal Point: The RATIONS trial (Reducing Activation of Tuberculosis by Improvement of Nutritional Status).

Mastered this topic? Test your knowledge with a full MCQ quiz.

Practice exam-style questions, track your score, and strengthen your recall.

Q1Static LinkageEasy

Which Indian research body backed the landmark RATIONS trial mentioned in the news article?

Q2Statement-basedHard

Consider the following statements regarding the Lancet study on TB and undernutrition:

1. The study estimates eliminating adult undernutrition could prevent 28.6% of TB cases in India.

2. The study defines adult undernutrition as a Body Mass Index (BMI) below 18.5.

3. According to the study, providing nutritional support to TB patients' household contacts reduced TB risk by 40%.

Which of the statements given above is/are correct?

Q3Data-centricMedium

According to the Lancet study mentioned in the article, how many adult TB episodes in India could have been prevented in 2023 by eliminating undernutrition?

Q4Application/ImpactMedium

What is the primary public health policy implication highlighted by experts in the article for India's TB elimination strategy?

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Nearly 7 lakh TB cases in India…, Current Affairs for Exams