Mao Zedong was often pictured with a cigarette in his hand, as in this often-reproduced 1957 shot of him meeting the all-female Third National Congress of Chinese Communist Youth League, who appear to be vying to offer him a light: In a tell-all biography, Maos personal physician wrote that the leader responded with a joke when he criticized Maos chain smoking, saying Smoking is also a deep-breathing exercise, dont you think? Chinas current generation of top leaders, though, are a marked contrast to their predecessors ones: none of the current members of the Central Politburo Standing Committee, the all-powerful seven-man group that runs the country, are smokers
When there is a lot of burning going on, this small volume of clean air can quickly become inundated with smoke and smoke dispersion will be minimal
Lung disease: Vaping can make asthma and other existing lung diseases worse
Of course, nicotine can be harmful if consumed in excess, or by people with certain health problems, but otherwise its about as harmless as caffeine