Is your scented candle trying to kill you? Shocking new research finds air ... trends now

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Air pollution was worse inside British homes than it was outside for 11 months of the year in 2022, according to a global study by tech company Dyson.

Data from more than 2.5 million Dyson air purifiers around the world was collected in the research for its first Global Connected Air Quality study.

It focused on levels of two types of pollutant: PM2.5s – particles 1/25th the diameter of a typical human hair – and volatile organic compounds (VOCs).

If PM2.5s are inhaled and enter the bloodstream, evidence suggests they can cause serious illnesses including heart disease and dementia.

They primarily come from burning wood and coal in open fires and solid-fuel stoves.