Hong Kong Island at night. The city may be the most light-polluted anywhere. Photo: Martin Chan
Hong Kong Island at night. The city may be the most light-polluted anywhere. Photo: Martin Chan

How Hong Kong's urban light pollution creates 'mini jet lag'

Bright nights make our bodies think it's daytime, with brain and heart working faster - disruption that is associated with higher rates of cancer

Hong Kong Island at night. The city may be the most light-polluted anywhere. Photo: Martin Chan
Hong Kong Island at night. The city may be the most light-polluted anywhere. Photo: Martin Chan
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