Have you ever noticed? Your side or your own, there are many people are fat? Walking in the street, do you often see small fat, medium fat, big fat? When it comes to obesity, it is necessary to mention the body mass index (BMI), the full name of which is Body Mass Index (BMI), which is calculated by the formula: BMI = weight (kg)/[height (m) squared]. It is an indicator used to define “obesity” in medicine. According to the judgment of this indicator, the “fat” that many people usually call themselves is not enough to be considered as “fat” in medicine. For the Chinese body type, doctors recommend the following criteria: less than 18.5 is underweight; 18.5 to 23.9 is normal weight; 24 to 27.9 is overweight; more than 28 is obese. Well, according to the above formula, you can first calculate whether you are overweight or obese. Obesity and many diseases, such as common hypertension, hyperlipidemia, diabetes, fatty liver, coronary heart disease, cerebral infarction, vascular sclerosis, etc.. And obese people are also prone to snoring, causing lack of oxygen at night, resulting in memory loss and mental discomfort. See these, you are not very worried? Do not worry, as long as you can adhere to exercise, diet moderation, or can improve the obesity. First of all, it is recommended to adhere to physical exercise, at least five times a week, each time at least half an hour of exercise, preferably running, swimming and other sports. In addition, diet control is very key, low salt and low fat diet, do not eat full belly, balanced nutrition, appropriate to eat fruit, nuts, etc.. Quit smoking and drinking, live a regular life, do not stay up late, try not to eat late night snacks. As long as you have enough confidence, weight loss is not unsuccessful. A good lifestyle and regular routine can prevent many major diseases and make your life more exciting!