Breath-condensate analyser

An analyser for collecting and analysing a breath condensate, the analyser comprising a housing, the housing having a cooling means and, further, retaining a cartridge device comprising a condensation zone to condense exhaled breath from a subject, the cooling means being in cooling relationship with the condensation zone, the device including one or more further discrete regions for detection of analyte and measurement of analyte, the cartridge device further comprising a fluid path connecting the condensation zone to the or each discrete region, the housing including a mouth-piece having an entry port to enable a user to breathe into the mouth-piece, the mouth-piece comprising one or more fluid passages to direct breath entering the mouth-piece into the condensation zone.