From the beginning, I received a point of view about the dangers of high sugar, to Zhihu looking for support, and then I was recommended to watch the movie. Put the love of sugar in my heart after the maintenance of health.
The style of the film is very cute. A director's father wanted to provide reasonable guidance for one of the most important parts of his children's healthy life-diet, so he did a small experiment, but got a big result. Within two months, learn the usual practice of the Western people, consume a lot of sugar, and keep other variables constant.
First of all, the classification of sugar must be known, and the research object must be clarified, in order to better describe and classify, so as not to kill all the sugar with a stick. Sugar is also called carbohydrate, which is the main energy substance directly used by the body. Think of our body as a working machine, then sugar is our battery. It is classified into monosaccharides, disaccharides, and polysaccharides. Monosaccharides are the basic unit, and various combinations of glucose, galactose, and fructose (the sweetest in nature) form disaccharides and polysaccharides.
In life, glucose is most often involved, which is the most common energy supply substance, and the human body has designed insulin to handle it. Fructose is naturally present in fruits and vegetables and acts as a sweetener, but since the industrial age, a large number of preparations and applications have caused the culprit to be abused. Both substances are absorbed into the liver, but glucose is synthesized into glycogen, and the rest enters the blood sugar, causing insulin secretion and promoting the uptake and utilization of glucose by cells. Fructose is another matter, which is metabolized by the liver. , Fructose either becomes fat accumulation or becomes triglyceride and enters the bloodstream. Excessive intake of fructose means that your liver will synthesize a lot of fat, which is reflected in your increasing visceral fat (which affects the functioning of organs and increases the metabolic burden) and subcutaneous fat (obesity!). To me, The most disgusting thing is that the excessive secretion of oil on the face causes clogged pores (acne!) to be infected by bacteria and turn into acne. . . The triglycerides in the blood can block blood vessels, resulting in high blood pressure, cardiovascular diseases and so on. With so many hazards, no matter how great the temptation, I can't eat sugar. (The sugar here is the so-called "bad sugar" fructose and fructose syrup, white granulated sugar)
Speaking of temptation, why is sugar so attractive? Because of the high energy and scarcity of sugar during the tens of thousands of years of human evolution, humans have evolved genes that crave sugar. However, since the industrial age for more than one hundred years, productivity has risen, and diets have become extremely abundant. Faced with sugar that is no longer scarce. , The instinct (nucleus basalis) has not yet reacted, pushing people to continuously pursue the stimulation of sugar. That's right, because sugar intake can cause the secretion of dopamine, opioids, and endorphins. These substances make people feel good. Like drugs, sugar can also become an addiction. It's just that the harm of sugar is not as violent and rapid as drugs, but the long-term harm should not be underestimated.
Comparing the statistics of Native American regions, it is clear that obesity and vascular disease are rare during the period when sugary foods are not introduced. However, the intrusion of high-sugar beverages has changed the lives of indigenous peoples. Drinks will definitely be brought out when they enter the store. The number of people who died of vascular disease increased. The growing problem of teeth among Kentucky teenagers is closely related to the uncontrollable urge to drink. Then why is there no truth report about sugar, or the public has been delayed. That's because of the conspiracy behind it. Commercial companies know that the high point is a detonating point of consumption, extremely low cost, and extremely sticky. As long as the public is not aware of the harm, it will be a business that will not lose money. Therefore, research institutions receive benefits, conceal the truth, and even promote false ideas. These people are indispensable for scientific research.
Quit!
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