"Dad is short, and mom is short"? It's already 9 102, and the baby's height should be viewed scientifically.

Now it should be obvious to all that the intelligence and height of children are stronger from generation to generation.

James Flynn, an American professor, claims that he has found an important trend: in the past half century, the IQ index (IQ test scores) of young people in all developed countries have been constantly improving; The famous "Flynn effect".

Actually, isn't the height the same?

The height of human beings is determined by the growth of long bones and spines of both lower limbs. In contrast, the growth of long bones is more important. This is because there are epiphyseal cartilage plates at both ends of the long bone, and the cells in the epiphyseal cartilage plate continue to divide and ossify, which makes the long bone grow vertically, thus making people grow taller.

Studies have confirmed that the peak of the sudden increase in height of most children is about 12 years old for girls and 14 years old for boys. More than 90% of the girls are between 1 1- 13 years old and the boys are between 13- 15 years old.

After the child's puberty, the epiphyseal cartilage plate proliferation gradually stops until it is completely ossified, the long bone stops growing, and the body no longer grows taller.

Genetic and environmental factors are two major factors affecting children's height, which has been recognized by countless experts and parents. Therefore, the saying that "the father is short and the mother is short" involves "heredity" has been passed down to this day.

Is that really the case?

Let's think about a big topic like "heredity" first.

As a baby, his legacy will come from his parents; The height of mom and dad may affect the height of the baby, but the height of mom and dad will be affected by their own parents! upthrust ...

It suddenly occurred to me that great-great-grandfather, father and body, body and son, son and grandson, from grandchildren to Xuanzang, are all nine ethnic groups!

Therefore, even if the baby's height is affected by heredity, we should also consider the baby's grandparents, grandparents and other height factors! The height of mom and dad is very important, but it may affect the height of the baby including the last three generations.

In other words, even if the height of mom and dad is not satisfactory, it does not mean that the height of the baby is absolutely bad; There are still some invisible genes that may exist! Unless several generations in the family are short, the hope that the baby will grow taller may really be much lower.

Since "heredity" has many variables, let's look at such a big problem as "environment".

Environmental factors are broad, including nutrition, hygiene, education, sports and so on, which have a great influence on the baby's height. In some cases, it is inevitable that parents may affect their baby's growth without knowing it.

So what are the factors that make the baby grow taller that we don't pay much attention to?

1, nutrition

Nutrition is the key to the baby's physical growth, and adequate and reasonable nutrition is the material basis for the baby's growth and development.

If the nutrition is insufficient, the baby's weight will not increase at first, or even decrease, which will eventually affect the growth of height and the functions of other body systems, such as immune function, endocrine function and neuromodulation function. And the younger you are, the greater the influence of nutrition.

However, if we used to worry about the baby's "malnutrition", we must always be alert to the problem of "overnutrition" now. Because whether it is "bad" or "surplus", it will directly affect the baby's height.

In a proper state of hunger, people will promote the pituitary gland to secrete more growth hormone, which can stimulate the baby's bone growth. But eating too much will affect the secretion of growth hormone, leading to short growth.

Overnutrition will also advance the baby's sexual development and cause precocious puberty. Such a baby may be taller than his peers at a certain age, at least not shorter, but it promotes bone development prematurely, leading to early closure of the epiphysis before the growth and development period and eventually becoming shorter.

2. Temperature

"If you want your child to be safe, you should be hungry and cold" is a very good parenting sentence.

Have you thought about it? Temperature not only affects the baby's health, but also affects the baby's height!

Comparing the residents living in the north and south of China, we can see that people living in the cold zone are taller, while those living in the tropics are shorter, because short people have larger body surface area and are easier to dissipate heat than tall people with the same weight.

Therefore, it is necessary to pay attention to choosing suitable clothes and bedding for your baby, not cold, but not overheated.

When it comes to "temperature", we can't help but talk about "sunshine".

Sunlight is rich in infrared and ultraviolet rays. Infrared rays can dilate blood vessels, promote blood circulation and stimulate bone marrow hematopoiesis. Ultraviolet rays can kill bacteria and viruses in the skin and air, accelerate the synthesis of vitamin D in the body, improve the metabolism of calcium and phosphorus in the blood, promote the growth and development of the baby, and prevent anemia and rickets.

Therefore, sunbathing helps to promote the growth and development of babies, but now too many children prefer to stay at home and play games or watch TV. Where can they enjoy the sunshine? Who is to blame for not being tall?

3. Emotion

It is considered that children are young and don't understand anything; Their ever-changing emotions will also affect their height!

The important growth hormone affecting children's growth is secreted more during sleep and exercise, but less during depression. If mom and dad often beat and scold or scare the baby, it will cause the baby's spirit to be bruised, which will easily lead to endocrine disorders and the decline of growth hormone, leading to developmental retardation.

A child who grows up in a family full of love and happiness is more likely to stimulate his inner growth potential to the maximum extent than a child who lives in a chaotic, depressed and fearful environment all day.

Therefore, the influence of emotional factors on children's physical development is as important as the nutrition provided by food to children. The warmth of family, parents' concern and good example, good school education and social education have a far-reaching impact on the formation of children's character and morality, emotional stability and the development of nervous spirit.

Step 4 sleep

If a baby wants to grow taller, he must get enough sleep.

This is because the secretion of auxin increases obviously within 45-90 minutes after people fall asleep, and the secretion of growth hormone at night accounts for more than half of the whole day. Babies only secrete growth hormone when they sleep, but not when they are awake.

To this end, it is necessary to develop good sleep habits for your baby and ensure the quality of sleep.

Of course, the quality of sleep is more important than the time of sleep. Some babies are too active before going to bed or unstable when sleeping, which will also affect the secretion of growth hormone. Sweet deep sleep is the key.

Of course, a very important factor affecting the baby's height, which is obvious to all, is "exercise".

I don't think everyone knows the benefits of exercise to the baby's growth: exercise accelerates blood circulation, promotes the metabolism of the body, delivers more nutrition to the epiphyseal cartilage, makes the epiphysis grow vigorously, and makes the baby grow taller.

However, it should be noted that the baby is not suitable for long-term, excessive load-bearing, physical exertion and strong contractility sustained sports, such as long-distance running, weightlifting and wrestling.

In fact, think about it. For a mother, what is more exciting than watching her baby running in the sun, bouncing around, laughing and cute?