Harvard Study: Harmful Toxins Found In Popular E-Cigarettes
BOSTON (CBS) -- A Harvard University study of e-cigarettes found that many contain bacterial and fungal toxins. Researchers at the Harvard T.H. Chan School of Public Health looked…
BOSTON (CBS) -- A Harvard University study of e-cigarettes found that many contain bacterial and fungal toxins. Researchers at the Harvard T.H. Chan School of Public Health looked…