Exercise and weight loss can be said to be the biggest things, as long as it is in your life. Finding the difference between calorie intake and calorie consumption can achieve the effect of exercise, but it is almost impossible to achieve this effect if you want to exercise easily.
We can always see the recommendation of this smart hula hoop when we look at the major platforms, but in fact, these recommenders didn't find any exercise points on this thing, just received money. A hula hoop can't do exercise, and it costs hundreds of dollars. The profiteer called himself an expert when he saw it.