Why can't we eat rice on a hot day?

Summer is coming, and I have a bad appetite and stomach. In a summer, I always feel bored and tired. How to eat fresh and healthy in summer, avoid obesity and enjoy slim figure easily? Why can't everyone eat in summer? The reasons are as follows: Wen Rong Tezuka, a Japanese nutritionist at high temperature, pointed out in "Eating Healthy with Big Mouth" that every time the temperature rises 10℃, the average demand of human body will be reduced by 70 calories, and the heat demand of human body will be reduced in summer, so that people will not feel hungry. Dehydration in summer, people can't feel water evaporation in air-conditioned rooms, so they consume less water, but the gastrointestinal tissues have been slightly dehydrated, which affects their appetite. Drinking too many sugary drinks in summer makes you thirsty. Some people are used to swigging sugary drinks, but "sugar is a natural appetite suppressant." Sugar can be quickly absorbed by the blood, which will make people feel full at once, so they can't eat it, forming a vicious circle. Smart Summer Diet Because many people can't eat, they often choose a lot of cool or light-looking foods to cope with summer, but is it good to eat like this? Will you get fat if you eat too much? There are many pitfalls in common summer eating habits. How to be a smart choice? Low boiled water instead of cold drinks. Because of the heat, people often drink a cup or a bowl of ice after meals, but a cup of bubble tea has 240 calories, a can of green milk tea 185 calories, a can of iced coffee 1 15 calories and an ice cream has 280 calories. When we drink a drink, we only feel that we are quenching our thirst, but we don't feel that we are taking in calories. However, we are in big trouble, because our bodies consume 65,438+000 calories, but we have to climb the stairs for 27 minutes or walk for 65,438+0 hours. Have you ever done this? You can drink boiled water or mineral water. It may not taste good at first, but you get used to it. Once you develop a light taste, you are not used to drinking sugary drinks. ● Mung bean soup should be moderate. Many people will drink mung bean soup and red bean soup because they can't eat, but these foods contain sugar like rice, and if they eat too much, they will get fat. Experts suggest that if you want to drink a bowl of mung bean soup (about 70 calories) after meals, remember to reduce your food intake by 1/4. If you want to eat mung bean soup as a meal, you can put less sugar, add low-fat milk and cut some fruits to achieve the same nutrition as dinner. ● Choosing a low-calorie sandwich to eat sandwiches feels like eating very little. In fact, the heat is not low. A chicken leg sandwich sold in a convenience store has 307 calories, and you will eat snacks in the afternoon, which will add more calories. In fact, among the sandwiches sold in convenience stores, pastoral barbecue, seafood concourse and ham salad sandwiches have lower calories; If you have time, you can make it yourself, and add more lettuce, cucumber and tomato to make it more refreshing. ● Eat more vegetable salad. Summer is a period of abundant fruits. Most people are not alert to fruits and will eat a lot. In fact, sugar in fruits also increases triglycerides in the blood. In fact, summer is also a period of abundant vegetables, so it is good to eat vegetable salad, so the weight of fruit is less. ● Fresh milk can't be drunk as water. It is hot every day in summer, and fresh milk is nutritious. Many people will drink fresh milk as water. However, it has been pointed out that high protein will hinder the absorption of calcium. Nutrition experts suggest that you can only drink two or three cups of milk a day. In addition to using "smart choices" to correct some common eating styles, comprehensive summer nutrients will make your appetite better if you pay attention to the intake of certain nutrients. ★ Drink a glass of water before meals 1 hour, and you can drink 1 glass of water, which can not only relieve gastric dehydration, but also promote gastrointestinal peristalsis, gastric emptying and increase appetite. ★ Supplement vitamin B 1 Drink plenty of water and cold drinks in summer, and sweat too much, which will easily wash the vitamin B family out of the body, leading to loss of appetite. Vitamin B 1 in the vitamin B family is the matchmaker to convert carbohydrates in food into glucose, which provides the energy needed for the operation of the brain and nervous system. Without it, although I eat as usual, I have insufficient energy in my body and feel listless. The most abundant source of vitamin B 1 is all cereals, such as wheat germ, soybean and brown rice. Because seeds need this vitamin when they germinate. Pork is the most abundant meat. ★ Supplementing vitamin B2 Vitamin B2 is responsible for converting heat energy, which can help the body release energy from protein, carbohydrates and fat, and vitamin B2 is even more needed in summer with high activity. A study by Cornell University in the United States found that the demand for vitamin B2 increased with the increase of activities. The best food sources of vitamin B2 are dairy products, such as milk and cheese, and green vegetables, such as broccoli and spinach. ★ Nicotinic acid supplement, also known as vitamin B3, together with vitamin B 1 and vitamin B2, is responsible for carbohydrate metabolism and provides energy. Lack of nicotinic acid can cause anxiety, anxiety and irritability, so people often feel irritable in summer. Foods rich in niacin include mackerel, swordfish, chicken and milk. ★ Supplementing vitamin C In fact, the hot summer is the source of stress, which can supplement the pressure-resistant vitamin C. In summer, you can make various juices such as bitter gourd juice, celery juice juice and pineapple juice, which can not only supplement water, but also supplement rich vitamin C..