active smoking; first-hand smoking
Technical term used in medical and public health contexts, often contrasted with 受動喫煙 (passive smoking).
See also: 受動喫煙
Active smoking increases the risk of lung cancer.
Not only passive smoking, but the health damage from active smoking is also serious.
受動喫煙 means passive smoking (inhaling smoke from others), while 能動喫煙 refers to the act of smoking oneself.
Compound of 能動 (active) and 喫煙 (smoking). The term was likely coined as a counterpart to 受動喫煙 (passive smoking) in public health discourse.