What are the scientific dietary principles?

1, food diversification

In real life, some people are picky eaters and have a simple diet. For example, they only eat meat instead of vegetables and fruits, and usually only eat certain foods and vegetables. This will easily lead to unbalanced nutrient intake. For example, eating only meat can easily lead to obesity, and eating only certain foods and vegetables can easily lead to the lack of certain nutrients, which can easily bring health problems to the body.

Therefore, it is suggested that you should not be picky about food at ordinary times and eat more kinds of food, so as to ensure the balance of nutrition, ensure that your body does not lack certain nutrients, and be healthy and have good immunity.

2. fruits and vegetables are indispensable.

In our usual diet, vegetables and fruits are indispensable, and they are very good foods to improve our diet structure. Vegetables and fruits are rich in dietary fiber, minerals, vitamins and other active substances, which play an important role in protecting cardiovascular system, enhancing disease resistance and preventing certain cancers.

Nowadays, people don't actually eat enough vegetables and fruits. People prefer meat and staple food, which are the main sources of energy, but if you do this for a long time, your body will lack some nutrition and be prone to problems and illness. Therefore, it is suggested to increase the intake of vegetables and fruits in the usual diet to ensure the long-term health of the body and promote the improvement of immunity.

3, light, less oil and less salt

Now there are more and more delicious foods, and the cooking of food is also varied. However, these foods tend to be heavy in taste, with more oil and salt added, and more other condiments and condiments. This can easily make people eat more than the standard fat and salt, make people fat and prone to hyperlipidemia and hypertension.

If you want to solve this phenomenon, you have to eat less, and then cook less oil and salt at ordinary times, reducing the intake of fat and salt, which is beneficial to the body, protecting blood vessels, being healthy and naturally improving immunity.

Don't do two things while eating.

In addition to learning the above scientific dietary principles, there are two things that many people should not do in the process of eating at ordinary times, and they are also often committed by many people.

1, don't smoke after meals

Many people like to smoke a cigarette after a meal, thinking that "a cigarette after a meal is better than a living fairy". In fact, this concept is extremely wrong and extremely harmful to health.

Although smoking a cigarette after a full meal is very satisfying and enjoyable, it is not conducive to health and immunity. On the one hand, smoking after meals increases the absorption of harmful substances in cigarettes and harms health; On the other hand, smoking after meals will promote bile secretion, which may lead to bile gastritis, inhibit pancreatic juice secretion and hinder food digestion.

Therefore, it is recommended not to smoke after meals.

2. Don't play with your mobile phone while eating.

Nowadays, many people like to play mobile phones while eating, which is an unhealthy way to eat. Because such people are easily attracted by mobile phones, they can't eat well. Or attracted by mobile phones, the brain's feedback on satiety will be delayed, which will make people eat too much unconsciously.

Therefore, it is recommended to eat at ordinary times or concentrate on eating, don't play with mobile phones, don't watch TV, and don't let yourself be overly distracted.