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Scientists discover how air pollution triggers lung cancer

10 Sept 07:29 Key points summarised by AI

Scientists identify a novel mechanism: air pollution (PM2.5 particles) triggers lung cancer in non-smokers by activating dormant DNA mutations through inflammation.
This "wound-healing response" caused by pollution transforms pre-existing genetic mutations (e.g., in EGFR and KRAS genes) into active cancer, challenging prior understanding of carcinogen action.
The breakthrough paves the way for new cancer prevention strategies, including potential "molecular cancer prevention" pills designed to block inflammation and mitigate cancer risk.
Hailed as "revolutionary," the research underscores the urgent global imperative to combat air pollution, a "hidden killer" with significant links to human health and climate change.

Today 12:56 Key points summarised by AI

President Macron condemned widespread rioting and looting during nationwide protests, blaming far-left activists and criminals for the "unrestrained violence" and vowing accountability for those who "sought to bring down the Republic."
Over 2,400 arrests were made as protests against rising living costs and poor school conditions escalated, causing extensive damage to public buildings and businesses in cities like Paris, Limoges (where City Hall burned), Marseille, and Lyon.
The unrest, which organizers hoped would revive the "yellow vest" movement, saw political leaders trade blame, with Macron instructing prefects to protect public buildings and potentially ban future protests to prevent further disorder.