Mask on? Mask off?

Joe Allen, an Assistant Professor at Harvard's T.H. Chan School of Public Health and director of the Healthy Buildings program, dives into the changing narrative around mask-wearing during the pandemic. He discusses the debate on their effectiveness and the global differences in public health guidance. Allen also emphasizes the community benefits of masks and advocates for the use of homemade options to conserve medical supplies. The conversation highlights the psychological and practical implications of adapting to evolving health recommendations in uncertain times.