International Scientific Forum on Home Hygiene

Home Hygiene & Health

The Leading Source of Scientific, Professional & Consumer Information
International Scientific Forum on Home Hygiene

Home Hygiene & Health

The Leading Source of Scientific, Professional & Consumer Information

Module 3

What lifestyle and other changes have caused the problem?

  • Allergies/CIDs existed prior to 1800s – but are largely diseases of last 100 -200 years
  • Accumulated data suggests
    – increasing levels from the late 19th century
    – rapid rise from the 1970s
  • What has changed in past 2 centuries to deprive us of requisite microbial exposure?
  • It seems likely that not one – but all of the following factors are involved:
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