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News summaries are information only, not medical advice. Each story links to its original sources.

Lancet Countdown 2026: heat-related deaths reach a record as report calls climate change a health emergency

The 2026 report of the Lancet Countdown on health and climate change was published on 28 October 2026, ahead of the COP31 UN climate conference. It is the tenth annual report, produced by an international collaboration led by University College London (UCL) in strategic collaboration with the World Health Organization (WHO), and it tracks 54 indicators linking climate change and health.

Read the full story: Lancet Countdown 2026: heat-related deaths reach a record as report calls climate change a health emergency

Rectal cancer immunotherapy: FDA approves dostarlimab (Jemperli) for dMMR or MSI-H tumours

On 19 October 2026 the US Food and Drug Administration (FDA) granted accelerated approval to the immunotherapy dostarlimab (Jemperli, made by GSK) for adults with previously untreated stage II or stage III locally advanced rectal cancer whose tumours are mismatch repair deficient (dMMR) or microsatellite instability-high (MSI-H), as determined by an FDA-authorised test.

Read the full story: Rectal cancer immunotherapy: FDA approves dostarlimab (Jemperli) for dMMR or MSI-H tumours