We know that lazy and habitual sedentary lifestyles can lead to obesity. A new study funded by the National Science Foundation found that junk food and excessive diet increase the risk of obesity, which in turn makes people more lazy. Do you know about junk food? Let's take a look together.
What are the junk foods?
1, cola and other soft drinks
In addition to sugar and phosphorus, it contains almost no other nutrients needed by the body. At present, there is too much phosphorus in our food, and too much phosphorus will prevent the absorption of calcium and promote the loss of calcium. With food in the diet, no extra sugar is needed.
2, twist, dumplings and other fried small food
The frying oil is heated for a long time, and the harmful chemical changes of the fatty acid will introduce a variety of harmful ingredients; in order to improve the taste, Alum is often added, which is the source of aluminum contamination in food.
3, instant noodles
The soup pack contains a lot of salt and monosodium glutamate, and the sauce or oil bag contains a lot of fat, and it is difficult to guarantee freshness. However, its degree of frying is not high, and the content of acrylamide is relatively low, so it is not necessary to add alum. Therefore, the level of refuse is lower than that of other fried small foods.
4, puffed snacks
There are seasonings on the surface, with high salt content, and some contain aluminum. And many products contain hydrogenated vegetable oils, of which trans fats and saturated fats are detrimental to heart health.
Why does junk food make people fat?
The study found that eating junk food kills intestinal bacteria that are resistant to obesity, diabetes, cancer, heart disease, inflammatory bowel disease, and autism. Scientists now believe that the daily diet based on a limited number of highly processed foods will reduce the number of intestinal flora by more than one third. This finding may explain why some people gain weight and some do not increase when they take in roughly the same amount of fat, sugar, protein, and carbohydrates.
According to a recent report released by the Chinese researchers in the European Journal of Preventive Cardiology, the proportion of obesity is increasing explosively as young children and children in rural areas of China consume more and more Western-style high-sugar and high-calorie foods. Researchers point out that in the past 30 years, China's living standards have undergone tremendous changes and are shifting from a traditional Chinese diet to a Western-style high-sugar, high-calorie diet. People eat more than before and move less than before. This makes the problem of adolescent obesity even more serious.
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