Are You Suffering from London Throat?

An article in the Daily Telegraph today (9/1/2020) suggests that if you have a constant foggy feeling with repeated coughs and colds then you are suffering from a hitherto unknown disease called “London Throat”. The suggestion is that this condition arises from breathing in polluted air and very specifically inhaling brake dust that damages the immune system, thus preventing the cells called macrophages from clearing away bacteria.

The research on which this claim was based was carried out by Dr Liza Selley and published in the journal Metallomics. Apparently the concentration of tiny metal particles in brake dust is three times higher on roads with speed humps due to the repeated braking they induce.

Comment: If there is such a cause then those who live, work and travel in London are much more likely to have suffered from exposure to particulates on the London Underground where levels of dust pollution are very high and are known to have high concentrations of metal particles.

However, the removal of speed humps which the Telegraph article suggested as a solution, and has also been recommended by NICE to cut pollution, would certainly be a good idea. The ABD has consistently opposed speed humps on the grounds that they generate more air pollution but also for many other reasons. See this web page for a full analysis of how damaging and effective they are:  https://www.freedomfordrivers.org/speed-humps.htm

Roger Lawson

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