First of all, whether a person is easy to get fat depends on many factors, such as physique, living habits, hormones in the body, intestinal flora, genetic factors and so on. Moreover, even if your best friend is not fat, her nutrition may be unbalanced, so you don't need to care too much about this. The differences between people are considerable.

Finally, yogurt and cereal have no weight loss effect. Like rice and other grains, grains are also a kind of carbohydrate, and even some grains are "sweeter" than rice noodles. Similarly, yogurt is based on the standard of sugar content per 100ml of cola 10.5g, and some yoghurts have reached the sugar content per 100ml 14g.