[85] [86] Nicotine dependence involves aspects of both psychological dependence and physical dependence, since discontinuation of extended use has been shown to produce both affective (e.g., anxiety, irritability, craving, anhedonia) and somatic (mild motor dysfunctions such as tremor) withdrawal symptoms
Flavours in vape juice are well regulated in the UK, and harmful ingredients like diacetyl or vitamin E acetate are prohibited in e-liquids
But cigarettes can also cause dental and periodontal disease, including gingival (gum) disorders
The latter, however, has dragged its feet on giving the required green light
Heres what I see most often in smokers: Tooth staining and discoloration Nicotine and tar stick to enamel, turning teeth yellow or brown
"The Long-Term Impact of Military Service on Health: Evidence from World War II and Korean War Veterans"