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The University of Georgia Cooperative Extension, April 2012 Ash

[41] Ibid

Quitting Smoking Quitting smoking is often difficult, and may take multiple attempts, but the longer a person is able to stay quit, the more the body gets to heal from the damage done by smoking

1 to 3 Months Lung function improves by 30%

The rates were derived based on the formula: where A denotes the number of age groups, i denotes the ith age group, a i is the rate to be standardized, and w i is the number of standard populations in the same age group

Also: learning by doing
