Our hair and nails' secret toxic tale
Until now, researchers depended on samples of human milk, blood and urine, and those samples are more difficult to obtain than hair and nails.
Mar 03, 2016, 14:05 PM IST
Amina Salamova
Until now, researchers depended on samples of human milk, blood and urine, and those samples are more difficult to obtain than hair and nails.
Mar 03, 2016, 14:05 PM IST