sensitization following high-level habituation contributes to the difficulty of breaking drug, alcohol and tobacco
u“Healthy” workers who develop a tolerance for occupational chemical exposures may become permanently sensitized to them following long absences (from injury, illness, vacation or
uChildren and adults
who experience chronic or repeated high level exposures to toxins in their homes such as mold or pesticides
may later become
hypersensitized to low--and previously tolerated--levels other petrochemicals
uPeople who try to
resume taking a medication that they took—and then stopped taking--long ago may experience new and/or more severe side effects.
sensitization to low-levels of chemical exposures such as fragrances is a common feature of many transient conditions,
such as migraines,
asthma attacks and PMS.