Scientists in the study found evidence that there is no one-size-fits-all diet. Even in identical twins, the intensity of metabolic reactions to a particular product can differ significantly.
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A team of experts led by KCL spokesman Tim Spector conducted a new study. The author of the work himself tried for a long time to follow what he thought was a healthy diet, eating tuna, corn, black bread, sandwiches and bananas for lunch. After assessing his condition after such a meal, the scientist noticed that his blood sugar and fat levels rise, which increase the risk of developing a number of health problems, including diabetes and cardiovascular ailments. To understand the situation, Spector recruited over a thousand volunteers to scientific work, including several pairs of identical twins. For two weeks, everyone received the same diet while the experts monitored their metabolic reactions. In particular, fluctuations in the level of glucose, triglyceride fats, and insulin were recorded. The microbiome, sleep quality and the presence of physical activity were taken into account.
As a result, it turned out that the majority, even with the same diet, have different reactions, which is also true for twins. This implies that what is a healthy diet for one person will not be of the same benefit to another, or may be harmful at all. For example, the body's ability to absorb glucose is only 30% related to genetics, while the response to fatty foods is not hereditary.
The more significant factors, according to the results of the work, were the state of the microflora, the presence of sports in life, the quality of sleep and even the time of the meal. For some, food is absorbed best in the morning, while others can have a snack during the day without harm to the body. The main conclusion is that there is no universal diet for everyone, everyone needs an individual diet.