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Anecdotally: when I was a bike racer I noted that if I was so exhausted after a hard training ride (usually 5+ hours, >100 miles) that I was involuntarily falli
by jhayward 9y ago
Anecdotally: when I was a bike racer I noted that if I was so exhausted after a hard training ride (usually 5+ hours, >100 miles) that I was involuntarily falling asleep afterward that I would inevitably come down with a sore throat leading to a cold within 12-24 hours. 100% of the time.
I've had maybe 2-3 colds in the decades since I quit racing.