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by Mark Zalewski
February 14, 2017
In today’s CyclingTips Daily News Digest: With more UCI safety provisions on the way, teams’ group says progress is being made; Tour of Oman begins Tuesday with wide open field; Landa ready to begin 2017 campaign; Meersman deals with life after cycling; Cyclocross junior world champ pondering dual CX/road career; Tour de Galiyat brings rival nations together; Rapha’s London Nocturne race expanding; Where cycling is hazardous to your health; Wiggins leaves ‘The Jump’ with leg fracture; Video: Tony Spray – Poetry in Paint; Video: Training camp with Wanty-Groupe Gobert; Video: Valverde shows off ace bike handling skills.
A new study shows that in 15 cities the pollution is so bad that cycling for only 30-45 minutes negatively affects health to the point where it outweighs any health benefit.
“If you are beyond the breakeven point, you may be doing yourself more harm than good,” Audrey de Nazelle, one of the authors of the report, told The Guardian.
The study focused on the long-term damage from inhaling fine particulates. Most of the cities are in Asia and the Middle East, and the report found that western cities will not reach the point where pollution would outweigh exercise in the long term.
However, limitations of study include the health impacts of short-term spikes, as well as considering other pollution types, including air containing larger particulates, ozone or toxic nitrogen oxides from diesel engines.
London mayor Sadiq Khan issued the first “very high” air pollution warning in January when the air pollution score was maxed at 10 on the Air Quality Index.
Click through to read more at The Guardian.