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Miguel Divo shows his patient, Joel Rubinstein, a dry powder inhaler. It's an alternative to some puff inhalers that emit potent greenhouse gases, but is equally effective for many patients with asthma.
Jesse Costa/WBUR
Some doctors are promoting propellant-free inhalers over puff inhalers that emit greenhouse gases. Climate change can exacerbate respiratory ills because of more fires, air pollution and allergens.
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