The same family, with a similar diet and habits, but one person has diabetes, can’t help but wonder: “Will my diabetes be transmitted to my family? The answer is that it is not contagious through contact. Unlike a cold or the flu, which can be transmitted from friend to friend or colleague to colleague, there is no evidence that diabetes is transmitted by contact, whether it is type 1 or type 2 diabetes, which means that diabetes is not transmitted by contact with others. However, diabetes is familially clustered and therefore leads to the misconception that diabetes is transmitted to each other. Diabetes may be genetically identical for people who are related by blood, and people in the same family are more likely to have diabetes. However, whether or not a person who is related to someone with diabetes will get diabetes depends on environmental factors. Because family members have the same lifestyle, diet, and exercise habits and are in a similar environment, if one person has diabetes, others in the family may also get it, and some families often have multiple people with the disease. Although it is not possible to control the genetic predisposition to diabetes, it is possible to reduce the incidence of diabetes through lifestyle changes. Although diabetes is not “contagious,” it can be inherited. It is well established that diabetes is a hereditary disease, and statistics show that the incidence is 3-40 times higher in patients with a family history of diabetes than in those without a family history. In the normal population, the prevalence of diabetes is 1-5%, but for people who have both parents with diabetes, the chances of their children developing diabetes are more than 50%. In China, the heritability of diabetes is 51.2%-73.8%, generally higher than 60%. However, the heritability of type 1 diabetes is lower than 60%, so it is clear that type 2 diabetes is more heritable than type 1 diabetes. Diabetes is divided into two types, type 1 and type 2, and there is a difference between them regarding heredity. 1, type 2 diabetes has obvious heredity, especially parents, siblings, children of diabetic patients, are very prone to diabetes. 2.The first generation relatives of type 1 diabetes patients, meaning siblings and children. They have 10 times higher risk of developing diabetes than the general population, but 95-97% do not develop diabetes; in addition, those who have reduced insulin release according to insulin release test should also prevent type 1 diabetes. In the past two years, the number of children with diabetes has been increasing, and newborns who are too thin or too fat are prone to diabetes in the future. Obesity, poor diet, and reduced physical activity are important environmental factors for type 2 diabetes and insulin resistance. The incidence of diabetes in overweight people is 2.9 times higher than in normal weight people, and the risk of diabetes in women with a body mass index between 23 and 25 is four times higher than in women with a body mass index less than 22. The risk of type 2 diabetes in people with a body mass index greater than 35 is 93.2 times greater than in people with a body mass index less than 22. The risk of type 2 diabetes increases by a factor of 1 in people who gain 7 to 10.9 kg after the age of 18. The risk of diabetes can be reduced by 50% or more in obese women who lose more than 5 kg of body weight over a 10-year period. Chromium deficiency may also be a factor in the development of diabetes in certain individuals, especially in the elderly. Low weight in infancy predisposes to diabetes in adulthood, and obesity is an important factor in insulin resistance. Can diabetes be transmitted to the next generation? There is a link between diabetes and genetic factors, but the inheritance of diabetes is very complex and not well understood. It is possible for a child to get a gene from a parent that predisposes him or her to diabetes, and for the child to be influenced by environmental factors that affect each other. Here, environmental factors mainly act as triggers and catalysts. Genetics does not play a strong or weak role in different races or ethnic groups. It is important to note that not everyone who has these risk genes will develop diabetes. In fact, most people do not develop diabetes. For those who are worried about “contagion,” it is important to exercise and pay attention to your diet and habits for the sake of your family’s health, starting with diabetes prevention.