[1913 Webster] I knew by these harbingers who were coming. --Landor. [1913 Webster] The Collaborative International Dictionary of English v.0.48:Harbinger \Harbin*ger\, v. t. [imp. & p. p. Harbingered (h[add]rb[i^]n*j[~e]rd); p. pr.
However, certain factors might put teens at risk of developing eating disorders, including: Societal pressure. Popular culture tends to place a premium on being thin. Even with a normal body weight, teens can easily develop the perception that they're fat. This can trigger an obsession with losing weight and dieting. Favorite activities. Participation in activities that value leanness â such as modeling and elite athletics â can increase the risk of teen eating disorders.
Physical Development. Teenagers can grow 3.5 to 4.1 inches during a one-year growth spurt, and 50 percent of their adult weight and bone mass develops during teenage years. With this increase in height, boys gain weight because of increased muscle development and girls due to body fat needed for developing reproductive processes.