http://www.rd.com/slideshows/how-to-smile-for-better-health/
For Better Health, Smile More
Recent Dutch research on 481 participants, who made various faces expressing different emotions, found that both computer software and other people guessed that smiling people were younger than they actually were, but only for those over age 40. Those younger than 40 looked younger when they wore more neutral expressions.
For Better Health, Smile More
Recent Dutch research on 481 participants, who made various faces expressing different emotions, found that both computer software and other people guessed that smiling people were younger than they actually were, but only for those over age 40. Those younger than 40 looked younger when they wore more neutral expressions.
