Shift work causes misalignment between internal circadian time and the external light/dark cycle and is associated with metabolic disorders and cancer. Approximately 20% of the working population in industrialised countries work permanent or rotating night shifts, exposing this large population to the risk of circadian misalignment-driven disease. Analysis of the impact of shift work on chronic inflammatory diseases is lacking. We investigated the association between shift work and asthma.
I worked nights as a midwife for years and believe some of my lung damage was due to the chain smoking members of staff who smoked in the staff room. It's not that long ago (1998) when such things were allowed.
Thank goodness it's no longer acceptable to smoke for 8 hours non stop and subject all your colleagues to second hand smoke!
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I seem to be lurching from pillar to post, Oxygen compressors advice
Back after long absence 
Table tennis consultant and Gp 
Praise for an overwhelmed NHS
Any carers out there? Feeling overwhelmed.
