Sehingga kini, kebanyakan kajian memfokuskan kepada perubahan tingah laku individu seperti amalan pemakanan dan aktiviti fizikal seseorang, pengetahuan, sikap, amalam dan juga motivasi untuk mengurangkan berat badan.
To date, most of the studies focused on changes in individual behavior such as tingah dietary habits and physical activity a person, knowledge, attitude, amalam and motivation to lose weight.
Until now, most studies focus on individual behavior change rejoice as dietary habits and physical activity a person, knowledge, attitudes, plug-ins and also the motivation to lose weight.