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The Guardian - UK
The Guardian - UK
Politics
Nicola Davis Science correspondent

How does weight loss drug Mounjaro work and why is it in such high demand?

A Mounjaro injection pen next to its packaging
Mounjaro, which contains the drug tirzepatide, has been approved by the UK’s Medicines and Healthcare products Regulatory Agency for some adults. Photograph: Alamy/PA Media

Mounjaro, known as the “King Kong of weight loss drugs”, will be available to patients on the NHS, but this week it was announced the medication will be prioritised to people with the highest needs – with the rollout expected to extend over 12 years.

We take a look at why the medication is in such demand and the impact it could have on the nation’s health.

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