Using Oral-B Glide dental floss could contribute to elevated levels of toxic chemicals that can lead to health problems especially in women including kidney and testicular cancer high cholesterol low birth weight among others says a study led by US-based Silent Spring Institute. In the study the team measured the presence of 11 different PFAS (per- and polyfluoroalkyl substances) -- water- and grease-proof substances -- in blood samples of 178 middle-aged women. The findings appearing in the Journal of Exposure Science and Environmental Epidemiology (JESEE) showed that women who flossed with Oral-B Glide tended to have higher levels of a