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Video: Power Supply Myths

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Video: JonnyGuru debunks old power supply myths | Ask a PC expert 2023, January
Power Supply Myths
Power Supply Myths
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Power supply myths

Myth 1: You must count calories

Fact: The fashion of counting calories was born in the West, from where it came to us around the seventies. Those who wanted to lose weight several times a day added up the numbers so that, God forbid, they did not eat extra calories. Modern nutritional theory was born in Germany at the end of the last century. The German physiologist Voith, deciding to determine how much food a person needs, took the average monthly earnings of a German worker based on market prices, estimated how much food could be bought with this money, and called it a physiologically necessary norm. This is how the theory of balanced nutrition was born.

According to this theory, it is believed that a person needs to get 3000-5000 kilocalories. Specialists in natural nutrition, in particular, Galina Shatalova, argue that 600 kilocalories a day is enough for a person. They object to her: in Auschwitz, people were fed at the rate of 1,700 kilocalories per day, and they were dying of dystrophy, and you offer only 600. But it's not just kilocalories. The point is that it gets into the mouth. The importance of calorie counting is far-fetched, much more important is the quality of food and the ability to digest it. After all, the purpose of human nutrition is not at all to gain weight gain or provide milk. The goal is to maintain active life, to ensure a high tone of the emotional mood, and all this is created to a large extent by the "joy of food", which is not obtained at all due to its quantity or its special "nutritional value"but due to its diversity, inappropriateness, unexpectedness of its taste, aroma and other concepts that cannot be quantified by percentage.

Myth 2: Separate meals are very good

Fact: Separate meals have recently become very popular, especially after pop stars announced that they eat "separately": Alla Pugacheva, Philip Kirkorov and some others. According to them, it was this nutrition system that helped them lose weight. However, experts are skeptical about such statements. In their opinion, the dramatically thinner stars still could not do without plastic surgery.

The essence of the theory of separate nutrition is the correct combination of products. According to Shelton, ordinary food, when a person absorbs incompatible foods, leads to the fact that these foods cannot be normally digested and absorbed by the body. Each type of food requires digestive juices of its own composition and specific conditions for digestion.

However, most nutritionists disagree with Shelton's claims. For example, Shelton argues that "food spoiled in the esophagus leads to the formation of poisons that are harmful." At the same time, it is completely incomprehensible why food suddenly deteriorates in the esophagus, in theory, the main concern of the digestive tract is to digest food without accumulating it in the esophagus. This already looks like digestive problems, but in this case, a person no longer needs separate meals, but the help of a doctor.

Doctors note that it is generally illiterate to talk about the processes of "putrefaction" in the stomach of a healthy person, as the followers of Shelton do, since a normal stomach has an acidic environment in which microorganisms die. The thesis that carbohydrates and fats "lie in the stomach as a useless burden" also causes confusion. During an operation on the duodenal cavity, not a single surgeon saw there pieces of bread or potatoes.

According to Shelton's theory, an alkaline environment is required for the digestion of carbohydrates and fats, and an acidic environment for proteins, and therefore the simultaneous use of foods of a different nature leads to rotting and fermentation in the stomach, and the processes of digestion of various food components are separated in the gastrointestinal tract and in time, and in space. Some components of the diet are digested mainly in the stomach, others in the small intestine, and others under the influence of bile. In a healthy person, these processes occur in parallel, in no way interfering with each other.

Shelton's theory also refutes the fact that there are practically no products consisting of one protein (fat, etc.). Pure protein can only be found in eggs, fat in sunflower oil, and carbohydrates in sugar. Everything else is a mixture.

In general, some scientists welcome Shelton's theory, because, eating separately meat, bread and potatoes, a person sits at the table 7-8 times a day. And fractional nutrition is the ideal of doctors, since overeating brings much greater harm than "incompatible" foods.

Myth 3: Nutrition and blood type are related

Fact: Most experts believe that such an addiction does not exist and food intolerance, that is, allergies, is a reaction that does not depend on the blood group, but on the violation of immunity.

Myth 4: "Vegetarianism" means consistent weight loss and health

Fact: Vegetarian diets can be healthy because they tend to be lower in saturated fat, cholesterol, and higher in plant fiber. Choosing a low-fat vegetarian diet can help you lose weight. But vegetarians as well as non-vegetarians can choose the “wrong” foods that contain calories and do not contain nutrients. Candy, chips, and other fatty, vegetarian foods should be consumed in small amounts.

Vegetarian diets should be planned carefully, as well as non-vegetarian diets, in order to be sure they contain the right amount of nutrients. Plants, especially fruits and vegetables, are the main sources of nutrients in vegetarianism. Some types of vegetarian diets (for example, those that include eggs and diet foods) include animal sources of nutrients, while other types (vegetarian diets) do not contain animal food. Iron, calcium, vitamin D, vitamin B12 and zinc are found primarily in animal foods. Here is a list of some of the foods that contain these nutrients:

Iron: Cashews, tomato juice, rice, tofu, lentils, and beans.

  • Calcium: Dairy products, calcium-fortified soy milk and orange juice, tofu, kale and broccoli.
  • Vitamin D: milk and soy milk, a small amount of sunflower oil.
  • Vitamin B12: Eggs, dairy products, soy milk, grains, and soy products (these are low in calories and fat-free, but high in protein).
  • Zinc: Whole grains (especially sprouts and bran), eggs, dairy products, nuts, tofu, leafy vegetables (lettuce, spinach, kale), and root vegetables (onions, potatoes, carrots, celery, radishes).

Vegetarians should eat a variety of foods throughout the day to get enough protein. Plant-based foods that are high in protein include lentils, tofu, nuts, seeds, soy products, and peas.

Myth 5: Fast food (in eateries) is a bad choice, you shouldn't eat like this when dieting

Fact: Skillful fast food can be part of your weight loss program. Choose salads and grilled foods instead of fried foods that are high in fat and high in calories. Eat only minimal amounts of fatty and high-calorie foods, such as salad dressed with fatty mayonnaise.

Eating fried foods in fast foods (such as fries) or other fatty foods such as chocolate is rare.

Myth 6: To lose weight, you need to switch to a vegetarian diet

Fact: Many people think this is a very effective way to combat obesity. Proponents of this approach argue that vegetarians eat the most healthy food: they do not burden themselves with extra calories, but always get natural food rich in vitamins.

However, the opinion that the diet of vegetarians contains a sufficient amount of vitamins is not entirely true. For example, vitamin B12 is found only in animal products - meat, liver, milk and dairy products. With its deficiency, anemia develops, appetite is lost, and nervous breakdowns are possible. In the same way, vegetarians do not get enough vitamins B2 and D. Therefore, they advise all supporters of vegetarianism to additionally take vitamins that are absent in plant foods. As for weight loss, there are many people who do not eat meat, but nevertheless are overweight. You can be a vegetarian and overeat, which can still lead to excess weight.

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