Miguel Divo, a lung specialist at Brigham and Women’s Hospital in Boston, sits in an exam room across from Joel Rubinstein, who has asthma. Rubinstein, a retired psychiatrist, is about to get a checkup and hear a surprising pitch — for the planet, as well as his health.
Divo explains that boot-shaped inhalers, which represent nearly 90% of the U.S. market for asthma medication, save lives but also contribute to climate change. Each puff from an inhaler releases a hydrofluorocarbon gas that is 1,430 to 3,000 times as powerful as the most commonly known greenhouse gas, carbon dioxide.
“That absolutely never occurred to me,” said Rubinstein. “Especially, I mean, these are little, teeny things.”
So Divo has begun offering a more eco-friendly option to some patients with asthma and other lung diseases: a plastic, gray cylinder about the size and shape of a hockey puck that contains powdered medicine. Patients suck the powder into their lungs — no puff of gas required and no greenhouse gas emissions.
“You have the same medications, two different delivery systems,” Divo said.
Patients in the United States are prescribed roughly 144 million of what doctors call metered-dose inhalers each year, according to the most recently available data published in 2020. The cumulative amount of gas released is the equivalent of driving half a million gas-powered cars for a year. So, the benefits of moving to dry powder inhalers from gas inhalers could add up.
Hydrofluorocarbon gas contributes to climate change, which is creating more wildfire smoke, other types of air pollution, and longer allergy seasons. These conditions can make breathing more difficult — especially for people with asthma and chronic obstructive pulmonary disease, or COPD — and increase the use of inhalers.
Divo is one of a small but growing number …
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Miguel Divo, a lung specialist at Brigham and Women’s Hospital in Boston, sits in an exam room across from Joel Rubinstein, who has asthma. Rubinstein, a retired psychiatrist, is about to get a checkup and hear a surprising pitch — for the planet, as well as his health.
Divo explains that boot-shaped inhalers, which represent nearly 90% of the U.S. market for asthma medication, save lives but also contribute to climate change. Each puff from an inhaler releases a hydrofluorocarbon gas that is 1,430 to 3,000 times as powerful as the most commonly known greenhouse gas, carbon dioxide.
“That absolutely never occurred to me,” said Rubinstein. “Especially, I mean, these are little, teeny things.”
So Divo has begun offering a more eco-friendly option to some patients with asthma and other lung diseases: a plastic, gray cylinder about the size and shape of a hockey puck that contains powdered medicine. Patients suck the powder into their lungs — no puff of gas required and no greenhouse gas emissions.
“You have the same medications, two different delivery systems,” Divo said.
Patients in the United States are prescribed roughly 144 million of what doctors call metered-dose inhalers each year, according to the most recently available data published in 2020. The cumulative amount of gas released is the equivalent of driving half a million gas-powered cars for a year. So, the benefits of moving to dry powder inhalers from gas inhalers could add up.
Hydrofluorocarbon gas contributes to climate change, which is creating more wildfire smoke, other types of air pollution, and longer allergy seasons. These conditions can make breathing more difficult — especially for people with asthma and chronic obstructive pulmonary disease, or COPD — and increase the use of inhalers.
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