Chronic bronchitis onset age?

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Chronic bronchitis onset age?

Chronic bronchitis tends to appear in middle age because it reflects the cumulative damage from long-standing irritant exposure, most commonly cigarette smoke, leading to mucus gland hypertrophy and chronic productive cough. In practice, the onset of symptoms typically occurs in the mid-30s to early 40s, which is why about 35 years old is the best fit among common options. Younger ages are less typical unless exposure starts very early, while later ages are possible but represent a later onset of disease. Remember the diagnosis also hinges on a productive cough lasting several months over two consecutive years, not just age.

Chronic bronchitis tends to appear in middle age because it reflects the cumulative damage from long-standing irritant exposure, most commonly cigarette smoke, leading to mucus gland hypertrophy and chronic productive cough. In practice, the onset of symptoms typically occurs in the mid-30s to early 40s, which is why about 35 years old is the best fit among common options. Younger ages are less typical unless exposure starts very early, while later ages are possible but represent a later onset of disease. Remember the diagnosis also hinges on a productive cough lasting several months over two consecutive years, not just age.

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