1, normal weight
Weight should be evaluated in combination with height and figure. At present, the most commonly used are body mass index, waist circumference and waist-hip ratio.
(1) Body mass index: Body mass index = weight (kg)/ height (m) squared. China's standard is body mass index.
(2) Waist circumference: Waist circumference refers to the waist circumference when standing normally. When men are 85CM or above and women are 80CM or above, they will be considered overweight.
(3) Waist-hip ratio: As the name implies, it is the ratio of waist circumference to hip circumference. It is normal for men to be less than 1 and for women to be less than 0.85. When male is greater than or equal to 1 and female is greater than or equal to 0.85, abdominal obesity is considered.
2. Overweight and illness
(1) Being overweight will cause many diseases, and body fat will directly increase the risk of hypertension. According to the relevant morbidity statistics, every increase of 3 kg /M2 in body mass index will increase the risk of hypertension for men by 50% and for women by 57% in four years.
(2) In addition to weight, it is also related to the fat parts that cause weight gain. Especially the apple-shaped figure, the waist circumference of men is more than 85cm, and that of women is more than 80cm. The risk of hypertension will be more than four times that of people with normal waist circumference, and the risk of diabetes and hyperlipidemia will increase exponentially.
(3) When the waist-hip ratio of men is greater than or equal to 1 and that of women is greater than or equal to 0.85, it will be considered as abdominal obesity with excessive subcutaneous fat, and the direct disease is fatty liver.
3. Disease and longevity
According to the latest statistics, the number of deaths due to cardiovascular and cerebrovascular diseases accounts for about 45% of the total deaths in China every year. At present, there are more than 270 million patients with hypertension, 65.438+700 million patients with hyperlipidemia and more than 90 million patients with diabetes in China. Hypertension is the most harmful and can lead to stroke, which is the disease with the largest number of deaths in China.
In addition, hyperlipidemia and diabetes are also diseases with a large proportion in China, and related complications have also led to a continuous increase in the number of deaths.
4. Overweight and genes
According to related research, the reason for a large number of overweight at present is that the gene storage in the human body is at work. Because the annual grain output is unbalanced, when the human body has enough food, the thrifty gene will direct the body to store a lot of fat to cope with the shortage of food in the later period. But now there is enough food all the year round, so it has been accumulating fat and there is no season to consume it, resulting in more and more overweight people.
Generally speaking, being overweight is too harmful. For the sake of your health, your beauty and health, and the happiness of your family, you should actively control your diet, strengthen your exercise and keep a proper weight.
It doesn't make much sense to consider only the weight. In medicine, body mass index (BMI) is used as a key index to measure the degree of obesity and overall health. Generally speaking, body mass index 18.5 to 24 or 25 is considered as a healthy weight, body mass index 25 to 30 is considered as overweight, over 30 is obese, and below 18.5 is considered as too thin.
Because a person's body mass index will change with diet or disease in the process of growth and aging, it is impossible to accurately study the relationship between weight and life span. The focus of scientists' research is trying to find the relationship between body mass index and mortality. Most studies show that the body mass index of people with the lowest risk in all-cause mortality is between normal and overweight. Underweight (body mass index below 18.5) and mild obesity (body mass index between 30 and 35) will lead to a moderate increase in mortality. With further obesity, the body mass index will increase. This result is easy to understand, because obesity can easily lead to a series of diseases such as heart disease, hypertension, diabetes, gallbladder disease, osteoarthritis, gout and so on.
For example, a large-scale analysis in The Lancet collected data from 239 studies, involving more than 6.5438+million people, and concluded that the mortality rate of people in the healthy weight range of traditional body mass index (654.38+08.5 to 25) was the lowest, and the mortality rate in the overweight range of body mass index between 25 and 30 was slightly higher; Underweight (body mass index below 18.5) and mild obesity are higher than healthy and overweight, and the mortality rate is the highest when the body mass index exceeds 35.
A low-calorie diet may prolong life on the premise of good health. Over the years, there has been a lot of evidence in the study of mice or fruit flies that life can be prolonged by limiting calories; Similarly, if rhesus monkeys eat less, they will live longer. 20 17 An article published in Nature concludes that the benefits of calorie restriction can improve some common diseases, including cancer, cardiovascular diseases and diabetes. Eating less may help us live longer, but the important premise is to ensure the quality and quantity of food. Eating less will reduce life expectancy if it leads to serious underweight. For example, patients with anorexia have an increased risk of cardiovascular disease, coronary heart disease, bone injury, anemia, renal failure and liver injury.
In addition, in 20 14, a large-scale study published by American journal of clinical nutrition (people over 65 years old 197940) showed that for adults over 65 years old, underweight body mass index would increase the risk of death, while overweight would not.
Weight is closely related to life span. Obesity naturally exceeds the standard. Once the standard is serious, all kinds of diseases will easily find you.
It is recognized that obese people tend to get three highs. However, the "three highs" are difficult to reverse, and the various diseases brought about are also big problems related to life. Most importantly, overweight will increase the burden on the heart and affect the life span of the heart, so obese people must lose weight and reduce it to standard weight. Standard weight calculation formula = (height cm- 100)×0.9 (kg)
As the saying goes: money is hard to buy old and thin, and thin people have certain advantages over obese people. First of all, their bodies are light, and the burden on their organs is light, so it is not easy to get the three highs. The body is like a car. The more you pull, the shorter the service life of the car. So is the body. So everyone must eat reasonably, exercise more and be a relaxed person.
Contributed by: Dong Qingdao.
Here's what I think about this question. People's weight is very important to their life span. This relationship is very important. It is difficult for people to buy old and thin ones. Old people who live above 65,438+000 are all thin, and none of them are fat. So we come to a conclusion that your life span is genetically related to your parents, with 30% genes. If both parents are fat or one of them is fat, the children born will inherit their parents' fat. This is an inevitable law of historical development, but the time of birth can be known. You didn't know you died that day. People are fat or thin. Only you take good care of your health the day after tomorrow, which is very helpful to your health. I heard from a medical expert and professor that a person's weight is directly proportional to his height. If you are overweight, you must accelerate the occurrence of cardiovascular diseases. Medical experts warn us that a person should weigh himself once a month, and if he is overweight, he should lose weight. This is the truth of good advice. Then why do people forget their own health when their living and economic conditions are good and their physical fitness is poor, and people should eat well and nutritious food every day, so they should not be too happy? After eating it for two to three years, you will become a big fat person or a middle fat person, and fatty liver, cardiovascular disease and cancer will all come to you. There are countless examples of this fact. China is now a country with diabetes, hypertension and cancer, so we in China must be careful not to be overweight. People are full of energy. If you want to live a meaningful life, you must arrange your diet and daily life in a scientific way. Only in this way can we live to be over 100 years old.
Usually, health is related to people's diet, weight and height.
1. People with light diet and rich nutrition are generally healthier.
2. Although weight is not the only criterion, in fact, weight involves a problem, that is, exercise. A person's amount of exercise and body metabolism are only a reflection of health.
In fact, when it comes to height, what I want to talk about is the length of legs. It is said that people with short legs live longer.
Longevity is the goal that people have been pursuing since ancient times. Qin Shihuang ordered Xu Fu to find the elixir of life, and Emperor Wu of Han ordered Li to be the elixir of life. In modern times, many people eat all kinds of unknown foods and want to live longer. In fact, longevity is related to weight. Keeping your weight within a range, just right, will be healthy and conducive to longevity.
What is the relationship between weight and life expectancy?
Related research shows that being overweight or underweight will have a negative impact on life expectancy. Long-term obesity will increase the probability of human illness, and long-term emaciation will easily lead to malnutrition, which is not good for the body. In other words, the weight should be just right, which is most conducive to longevity. In the measurement of weight, there is a standard weight, that is, body mass index, which is an internationally accepted index to measure a person's fat and thin health. It is calculated by formula. By dividing the weight by the square of the height, it is concluded that the standard weight is between 18.5~24, which belongs to normal weight and is neither fat nor thin.
What kind of weight people live the longest?
There is no simple answer to who has the longest life. Because the relationship between weight and life span will change with age, it is a U-shaped curve. The results show that people under the age of 60 are more likely to live longer if their weight is within the normal range, and people after the age of 60 will live longer if they are overweight, that is, the standard weight is between 25 and 29.9, so people will live longer.
Why is it better to be overweight after 60? There are two main reasons. First, people who are slightly overweight after the age of 60 have better nutritional status, make up for some lost nutrition and are healthier. Second, after the age of 60, the probability of suffering from various diseases is greatly increased, and it is easier to get sick, overweight, have better resistance, resist the harm of these diseases to the body, and live longer.
Combined with the basic situation of Chinese people, besides body mass index, waist circumference can not be ignored, which well reflects the degree of abdominal fat accumulation. The greater the waist circumference, the higher the possibility of suffering from common diseases in middle-aged and elderly people than normal people. In other words, it is ok to be slightly overweight after 60, but fat can't accumulate on your stomach. Obesity can only be considered if the waist circumference of men is greater than or equal to 90cm and that of women is greater than or equal to 85cm.
How to maintain a long life weight?
The daily exercise should reach the standard, and exercise is the most direct and effective way to keep weight. After the age of 60, we should also pay attention to daily exercise. The general suggestion is that the daily exercise time should be within 30~45 minutes. If you feel unwell, stop immediately, which is more helpful to maintain a long life weight. In addition, when choosing sports, it is best to choose sports with less exercise such as swimming, walking, jogging and Tai Chi.
Don't sit for a long time after meals, do more exercise and rub your abdomen. Don't sit for a long time after eating. When you get older, your digestive function will decline. Sedentary will aggravate indigestion. Therefore, you should not sit for a long time after meals, exercise, walk slowly and rub your abdomen, which will help digestion and absorption of food, be healthier, help maintain a long life weight, not be too fat, and avoid abdominal obesity.
Generally speaking, the relationship between longevity and weight is basically within the standard weight range, but after the age of 60, the body is healthier and it is easier to live longer.
There is a certain relationship between weight and life span. First of all, people who are too fat are not good for their health and are prone to various vascular diseases. Because of the high fat content, they will increase the burden of organs in various parts of the body, and they will be overloaded for a long time, which is easy to cause problems. Doesn't mean that being thin is necessarily good. If you are too thin, your body's resistance and immunity will be poor. Moreover, it is easy to be infected by bacteria, which is not conducive to health. Too thin people have poor digestive system and ability to absorb nutrients, so they are not very healthy and can't absorb all kinds of nutrients. Generally speaking, because everyone is different in height and age. It is recommended to refer to the weight standard formula.
People are divided into fat and thin, underweight is thin, overweight is fat, so what kind of standard is used to measure fat or thin? Of course, it should be of reference value. This reference value is called standard weight. There is no unified standard weight data in China at present.
The formula commonly used in the world to calculate people's weight and the calculation of body proportion (more suitable for orientals)
Formula for calculating male standard weight = (height cm- 100)x0.9(kg)
Formula for calculating female standard weight = (height cm- 100)x0.9 (kg) -2.5 (kg)
Normal weight: standard weight+-(how much) 10%.
Overweight: over standard weight 10% and under standard weight by 20%.
Mild obesity: 20% above standard weight and 30% below standard weight.
Moderate obesity: 30% above standard weight and 50% below standard weight.
Severe obesity: more than 50% of standard weight.
It should be relative, not absolute. Being thin doesn't mean you can live longer. Being fat does not mean being short-lived.
But if you want to live a long life, it is definitely necessary to keep your mouth shut and spread your legs. Being fat will definitely have a higher running load, and many diseases prefer to find fat people.
The factors that determine life span also have a lot to do with heredity.
Then we must keep a cheerful attitude and a broad mind.
Do a comprehensive physical examination regularly, and many intractable diseases can be cured at the initial stage.
Healthy and reasonable living habits are all ways to greatly improve a person's life span. The main thing is to be self-disciplined.
Weight must be related to life expectancy. Fat people have higher blood lipid content, and they are more likely to have three highs and cerebral infarction when they are older. Therefore, it is good to exercise regularly and control your weight within a reasonable range. The standard weight range is height-1 10 = weight (kg).
Weight is related to command. A person who exercises regularly and has a good attitude can naturally live a long life.