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Public Health

Asked by Tim FarronLiberal DemocratDepartment of Health and Social CareTabled Answered 15 January 2026UIN 103227

The question

To ask the Secretary of State for Health and Social Care, which public health factors created the 10 largest direct cost impacts on the NHS in 2024; and how much the NHS spent in 2024 on tackling the health impacts of the following public health factors: (a) air pollution, (b) alcoholism, (c) obesity, (d) excessive salt consumption and (e) smoking.

Answered by Ashley Dalton

Global Burden of Disease data considers the top ten public health factors in the United Kingdom in 2023 in order of importance to be: tobacco, high body mass index, dietary risks, high fasting plasma glucose, high blood pressure, high alcohol use, high cholesterol, occupational risks, kidney dysfunction, and drug use. Further information on the Global Burden of Disease data is available at the following link:

https://vizhub.healthdata.org/gbd-compare/

The following table shows the various estimates of the cost to the National Health Service of the five factors specified:

Risk factor

Estimated NHS cost

Source of Estimate

Air Pollution

£1.6 billion for fine particulate matter and nitrogen dioxide combined between 2017 and 2025.

Public Health England Agency, 2018

Alcohol

£4.9 billion annually

Institute of Alcohol Studies, 2021/22

Obesity

£9.3 billion annually

Frontier Economics & NESTA, 2025

Hypertension (excessive salt consumption is linked to an increased risk of hypertension)

£2.1 billion annually

Optimity Matrix (commissioned by Public Health England), 2014

Smoking

£1.8 billion annually

Action on Smoking and Health, 2025


Comparisons of costs should not be made between these estimates because of the different methodologies used in their construction.

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