A team of researchers, including an Indian scientist, has found that blue curing light used to harden dental fillings may stunt tumour growth as well. The findings are based on a study of 10 tumour-bearing mice, five treated with the light and five untreated. "The light sends wavelengths of blue-violet light to the composite, which triggers hardening," says Alpesh Patel, a rising MCG School of Dentistry junior.

Full story: newkerala.com