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... their 60s who persist in exercising are even stronger than young men in their 30s.
"I’ve had this old problem for almost thirty years. It started as just a cough with a lot of phlegm, and later my breathing became somewhat labored. I’m an impatient person. When I was teaching, seeing students not listening, not studying seriously, and not completing their assignments properly, I’d get angry. The angrier I got, the worse the cough became, cough, cough..."
After speaking, the man b ...
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