 In fact, one study suggests that because a critical aspect of social networking sites involve spending hours, if not months customizing a personal profile, and encourage a sort of social currency based on likes, followers and comments- they provide a forum for persistent "appearance conversations".These appearance centered conversations that forums like Facebook, Instagram among others provide can lead to feelings of disappointment in looks and personality when not enough likes or comments are achieved.In addition, social media use can lead to detrimental physical health effects.