New answers tagged heart
-2
Here's an unglamorous answer to the top level question.
I have asthma, and even when I'm very motivated (hourly bus nearing a bus stop, FedEx truck about to do last pick-up), in cold weather I literally run out of breath. It may take me a few blocks, depending on how cold, or if my lungs are already irritated (say an infection), but the bronchi squeeze ...
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