nicotine
adult disease
blood flow
brain
cancer
carcinogenesis
carcinogens
cerebrovascular disorder
chemical substances
cigarette
cigarette smoke
cigarette smoker
cigarettes
dependence
dependent
elderly
harmful substances
head
health
health care
health damage
heart disease
hospital
human
illustration
infarction
lifestyle disease
lung
lung cancer
lung disease
luxury goods
mainstream smoke
male
medical condition
middleaged
nicotine addiction
number
person
secondhand smoke
senior
senior citizen
sidestream smoke
smell
smoking cessation
stroke
symptom
tobacco