Human exposure to aerosol from indoor gas stove cooking and the resulting nervous system responses. (17th January 2022)

• Record Type: Journal Article
• Authors: Amouei Torkmahalleh, Mehdi; Naseri, Motahareh; Nurzhan, Sholpan; Gabdrashova, Raikhangul; Bekezhankyzy, Zhibek; Gimnkhan, Aidana; Malekipirbazari, Milad; Jouzizadeh, Mojtaba; Tabesh, Mahsa; Farrokhi, Hamta; Mehri‐Dehnavi, Hossein; Khanbabaie, Reza; Sadeghi, Sahar; khatir, Ali Alizadeh; Sabanov, Sergei; Buonanno, Giorgio; Hopke, Philip K.; Cassee, Flemming; Crape, Byron
• Is Part Of: Indoor air. Volume 32:Number 2(2022)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2022-01-17
• Subjects: EEG -- frying aerosol -- neurodegenerative disease -- ultrafine particles; Indoor air pollution -- Periodicals; Sick building syndrome -- Periodicals; Ventilation -- Periodicals; 613.5
• DOI: 10.1111/ina.12983
• Languages: English
• ISSNs: 0905-6947

Abstract

Abstract: Our knowledge of the effects of exposure to indoor ultrafine particles (sub‐100 nm, #/cm 3 ) on human brain activity is very limited. The effects of cooking ultrafine particles (UFP) on healthy adults were assessed using an electroencephalograph (EEGs) for brain response. Peak ultrafine particle concentrations were approximately 3 × 10 5 particle/cm 3, and the average level was 1.64 × 10 5 particle/cm 3 . The average particle number emission rate (S) and the average number decay rate (a+k) for chicken frying in brain experiments were calculated to be 2.82 × 10 12 (SD = 1.83 × 10 12, R 2 = 0.91, p = 0.0013) particles/min, 0.47 (SD = 0.30, R 2 = 0.90, p < 0.0001) min −1, respectively. EEGs were recorded before and during cooking (14 min) and 30 min after the cooking sessions. The brain fast‐wave band (beta) decreased during exposure, similar to people with neurodegenerative diseases. It subsequently increased to its pre‐exposure condition for 70% of the study participants after 30 min. The brain slow‐wave band to fast‐wave band ratio (theta/beta ratio) increased during and after exposure, similar to observed behavior in early‐stage Alzheimer's disease (AD) patients. The brain then tended to return to its normal condition within 30 min following the exposure. This study suggests that chronically exposed people to high concentrations of cooking aerosol might progress toward AD.