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P1Imposing higher taxes on unhealthy food is a policy proposal with genuine public health logic behind it, and I broadly agree with it, subject to careful implementation. The evidence from related levies suggests that fiscal disincentives can shift consumption patterns and drive manufacturer reformulation, justifying the approach as part of a wider health strategy.

P2Diet-related illness, including cardiovascular disease, type-two diabetes, and certain cancers, generates enormous costs for health systems and reduces quality of life across large populations. Governments already intervene extensively in markets for tobacco and alcohol on public health grounds without serious controversy. Food high in saturated fat, salt, or refined sugar causes analogous, well-evidenced harm, and there is no principled reason why fiscal policy should treat it differently.

P3The chief practical objection is that unhealthy food is disproportionately consumed by lower-income households for reasons of cost and access, making a food tax regressive in its incidence. This is a genuine risk. However, it does not follow that the policy should be abandoned; it follows that the revenue should be deliberately deployed to counteract regressive effects, for example through subsidies on fresh vegetables, free school meals, or community nutrition programmes. Tax design matters enormously: a well-structured levy with targeted reinvestment can be net progressive in its impact.