The current aerosol asthma inhalers we use are cheap but, because of the gases they contain, are one of the NHS's biggest contributions to climate change. Other countries think alternatives are ...
I breathe all the way out. There’s a quiet puff of gas from my inhaler and I breathe all the way in. I hold my breath for a few seconds and the medicine is where it needs to be: in my lungs. Many ...
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