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I remember I’ve read somewhere that jogging is actually net harmful for health in the city due the air pollution.
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Shame you cant remember the source. Ive long since wondered if its actually more deleterious for my health to cycle to work in London due to air quality. I came to the conclusion that youre damned if you do and damned if you dont in the end, as in London at least, many of the tube lines have particulates higher than is considered safe
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Probably depends on the tube line; one of them, can't remember which now as I left the country in 2018, left me with black snot on each use. Cycling wasn't that bad, but neither were the other lines.
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Add to the mix - indoor gyms are perfect for spreading respiratory viruses.
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https://www.telegraph.co.uk/news/health/news/10817787/How-ch...

Generations of men have been taught that when walking with a woman on a pavement, they should always take the side closer to the road allowing her to keep further away from the traffic.

But Dr Iarla Kilbane-Dawe claimed that Londoners should avoid walking too near the kerb because on busy streets, air pollution can be up to a third higher than on the inside of the pavement.

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So in effect, if you want to be the chivalrous man (which no one forces you to be) you still should choose the roadside side of the pavement.
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