Any drug that has been in your blood stream gets absorbed by the hair follicles in your scalp. As your hair grows out of these follicles, the hair strands also pick up traces of these drugs. The lab analyzes the shaft of the strand of hair for any drug metabolites present.
Bay Area airports prep for private jets in for Super Bowl 50 at Levi's Stadium. The Bay Area's airports are preparing for an influx of private jets for Super Bowl 50.
1 Coliseum: Take the Metro Expo Line and exit at either Expo Park/USC Station or Expo/Vermont Station.  Rose Bowl: Take the Metro Gold Line, exit at Memorial Park Station and walk four blocks west on Holly Street to board the Rose Bowl Shuttle at the Parsons Lot.