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Body mass index test is very important for patients. According to the body mass index, we can calculate the daily intake of calories, choose a reasonable diet and appropriate exercise, and maintain normal health. This formula is more accurate than the standard weight and is also applicable. According to the body mass index, daily exercise and diet can be balanced by calculation, so that the body can run in a healthy state. Body mass index (BMI [4]), referred to as body mass index, is a commonly used international standard to measure obesity and health status.
The formula is: body mass index = weight ÷ height 2. (Weight unit: kg; Height unit: meter. )
Body mass index was first put forward by Belgian generalist kettler in the middle of19th century. The main influencing factor is smoking. In September, 20021,in a paper published in PLOSGenetics, researchers analyzed how genes and smoking affect individual body mass index based on the genome sequence numbers of 390,000 Britons. They found that genes can explain 50% difference in body mass index between individuals, and self-reported smoking can explain 2% difference in body mass index. Because smoking can lead to DNA methylation (a biomarker), they found that 62 methylation sites related to smoking can explain the 22% difference in body mass index, which is far greater than the results obtained by self-report. This study shows that biomarkers may help to measure the impact of lifestyle and other factors on health more accurately.