Many people with asthma could cut their carbon footprint and help save the environment by switching to “greener” medications, UK researchers say.

Making the swap would have as big an “eco” impact as turning vegetarian or becoming an avid recycler, they say.

It’s because some inhalers release greenhouse gases linked to global warming.

But the Cambridge University team told BMJ Open patients must check with a doctor before changing medication.

Some patients will not be able to switch and should not be made to feel guilty, they add, and pharmaceutical companies should also look at ways to reduce the carbon footprint of the inhalers they make.

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What are greener inhalers?

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