A new study underlines that humans are social animals even when it comes to kicking a bad habit. The study shows that social networks of direct contacts, including spouses, siblings, and friends, as well as indirect contacts, have a huge influence on smoking cessation. Quitting this habit, the study found, tends to occur as a sort of domino effect – once 1 person stops smoking, 1 by 1, those around him or her fall into this behavior, too. One of the most striking findings is that people aren't quitting alone; they appear to be quitting in droves or quitting in packs,
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