That morning cigarette, the late-night smoke, or a stress-relieving drag may seem harmless, but your lips can reveal the silent effects of smoking
6 months after quitting: improved mucus clearance and less shortness of breath Around the six-month mark, your lungs have made major strides in recovery
Some of the differences might surprise you, and the rules can be very strict indeed
Among the labels with images, the study compared three different types: graphic (those that directly showed body parts damaged by smoking), human suffering (those that showed someone in a hospital bed, for example) and symbolic (more abstract images, such as a gravestone)
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