Nail-biters May Have 'cleaner' Nails, But Ingest More Germs

... A high school student's discovery indicates that teenage nail-biters have the least germs under fingernails, and that short-clipped nails had more germs than long nails. The study was conducted by high school sophomore, Jamie Yohn, who attends the Academic Magnet High School and was mentored by MUSC faculty. [click link for full article] ...