How Air Purifiers Became the Newest Wellness Craze

Air purifiers are being sold as health devices. But do they work?

Illustration by Nicole Ginelli

AAdi struggled with eczema for years. At a young age, an allergist told the 30-year-old that he was allergic to house dust. He tried everything — “all the nonsteroidal prescription topical ointments, shots, changes in diet, various moisturizing creams” — to no avail…