Could better asthma inhalers help patients, and the planet too?

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.

Could better asthma inhalers help patients, and the planet too?
Miguel Divo shows his patient, Joel Rubinstein, a dry powder inhaler. It

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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