Scientists are unraveling the link between pollution and psoriasis

A photo of an Indian woman in traditional attire looking at psoriasis on her hand and arm.

MAHARASHTRA, INDIA — When Babytai Suryavanshi first noticed a few scaly patches on her right forearm, she ignored them for three months, thinking it was an infection that would heal on its own.

While working in the sorghum fields last year, she noticed the patches had become more raised and red and that they burned.