Composting workers show no accelerated FEV1 decline in Germany

This is an important paper reporting long-term surveillance of compost workers in Germany, and is generally reassuring except for an increase in cough and sputum. There seems to be no increase in asthma or alveolitis in this cohort. We are not told anything about the composting process, whether in or out doors, whether workers used RPE or where protected in vehicles etc. It does suggest that this process can be done with relatively little risk to exposed workers

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