There was no effect when a neighbor gained or lost weight, however, and family members had less influence than friends.
邻居变胖或变瘦不会产生影响，而家庭成员体重变化产生的影响小于朋友的影响。
2
Geographical location had no bearing on the results: a portly neighbor had no effect, but a friend who gained weight and lived far away still appeared to raise the risk of obesity.