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Dr Dhruv Kazi, a cardiologist and health economist who has written about the health benefits of owning pets, with his dog Rumi at home in Boston.

Dr Dhruv Kazi, a cardiologist and health economist who has written about the health benefits of owning pets, with his dog Rumi at home in Boston.

PHOTO: TONY LUONG/NYTIMES

Dana G. Smith

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NEW YORK – As a child, Dr Dhruv Kazi was obsessed with dogs. As a cardiologist and health economist, he wrote about their health benefits. But he did not get one of his own until he was in his early 40s.

In 2019, he moved to Boston to take a job as the director of the Cardiac Critical Care Unit at Beth Israel Deaconess Medical Center. Then Covid-19 hit. Living alone and working in the intensive care unit, Dr Kazi said the first year of the pandemic was immensely isolating.

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