Remember, neither practice is 100 percent safe
To account for exposure to smoking at both childhood (Wave 1) and early adolescence (Wave 2), a variable was created for caregivers (primary, secondary, both) who smoked at both waves
This method has become a visual shorthand for smokers who have learned to associate certain colors with specific intensity levels
Peripheral arterial disease (PAD): PAD causes your blood vessels to narrow too much to deliver the right amount of blood to your limbs
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In the first minutes after nicotine enters the bloodstream, the sympathetic nervous system is activated, hormonal levels and vascular tone change