Are you breathing your own exhaust?
Shelley and I regularly like to do a speed walk for 45 minutes around town. We picked this habit up during lock-down, and it's particularly rejuvenating when I've been working in Tivoli Studios all day with no natural daylight. Our favourite route is along Lansdown Road in Cheltenham. A mile-long straight and flat stretch with cycle paths Handy to do a few laps to build some speed up. But this one evening, it was asphyxiating. The exhaust fumes from the cars and lorries were suffocating. The high-pressure atmosphere meant these…