Industrial Hygiene:

"The anticipation, recognition, evaluation
& control of occupational health hazards."

 

"...A doctor...should...question...carefully,
...what occupation does he follow?"
Bernardino Ramazzini
(1713 - De Morbis Artificum Diatriba)

 

"All substances are poisons; there is none which is not a poison. 
The right dose differentiates a poison and a remedy."
Paracelsus (1493-1541)