Fig. 1. Relative search popularity of obesity, diet, dietary medicine, dietary herbal medicine, dietary supplements, xenical, saxenda, qsymia, wegovy (2016 to 2024 september, monthly). The x-axis represents the relative search score and is distributed between 0 and 100 points. The y-axis represents the period. The trend line of the 'diet' and its formula was calculated and displayed on the premise of a linear trend.