Prolonged exposure, e.g. daily workplace exposure, can be particularly harmful.

Some of them might result from drugs a mother took when she was pregnant or a father's workplace exposure to toxic chemicals.

Epidemiological studies have associated leukemia with workplace exposure to chemicals, but these studies are not as conclusive.

Those conclusions are also backed up by further studies of workplace exposure to smoke.

Your state office of Occupational Health and Safety could probably give you standards of workplace exposure.

Many manufacturing workers also suffer ill health from workplace exposures.

Employers would be permitted to collect genetic information just to determine workplace exposures and could not use the information in hiring.

Asthma as a result of (or worsened by) workplace exposures, is a commonly reported occupational disease.

Disclosure and training are required for workplace exposure.

However, the focus should be the prevailing view that workplace exposure offers "occupational, social and development lessons that schools do not provide."