The human papillomavirus is a leading cause of cervical cancer - and known to cause cancers in the throat, tongue and tonsils by disrupting healthy cells.

Chronic lower respiratory diseases, which affect the lungs, are now the third leading cause of death, overtaking cerebrovascular diseases.

Motor vehicle accidents are the leading cause of unintentional injury deaths.

It is the leading cause of blindness and contributes to kidney failure, heart attacks and stroke.

Back injuries are the leading cause of nonfatal injuries on the job.