Toxic mix of PM2.5 and ground-level ozone poses double health threat during haze, says UKM specialist

An r/malaysia post cites Prof Dr Mohd Hasni Jaafar, an environmental health and toxicology specialist at Universiti Kebangsaan Malaysia, saying simultaneous exposure to PM2.5 and ground-level ozone can have overlapping effects through oxidative stress, inflammation and impaired respiratory function, potentially increasing the overall acute health burden including on healthy adults. Tracked as a health facet of the ongoing nationwide haze episode, distinct from the air-quality readings topic on the board.

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