What affects height? 20. What are the factors that affect height?

1) Genetic factors Scientists surveyed 50 pairs of identical twins raised together and 50 pairs of fraternal twins raised together showed that the average difference in height between the two members of the former was only centimeters, while the average difference in the latter was centimeters. Identical twins come from the same fertilized egg, and their genetic basis is exactly the same.

2) Ethnic disparities In two African countries, Rwanda and Burundi, there are two tribes living in the same area; Batwa and Batuzi. The former is only one meter tall on average, while the latter is up to 2 meters tall. The "Yuca" people in the great forests of northern Colombia in South America are all under one meter tall.

3) Parental height.

iv) Nutritional level The inhabitants of the Tarong Hill Tract in Myanmar had their ancestors migrated there from the plains before the 5th century AD. Due to the hardships of life in the mountains and the lack of nutrition, he is now only about one meter tall. It all has to do with the level of nutrition.

5) Hormone secretion Whether the secretion of growth hormone, thyroxine and sex hormone is normal can affect the height of a person. In the past, in schistosomiasis-endemic areas, there were many dwarfism patients with a height of less than 1.3 meters, which was caused by insufficient growth hormone secreted by the pituitary gland, so it was called pituitary dwarfism.

6) Physical Exercise Adolescents of the same age and gender who regularly participate in physical exercise are 4 to 10 centimeters taller than those who do not participate in physical exercise. Physical activity is good for bone growth; Speed up blood circulation so that bones can get more adequate nutrition; The mechanical force generated by exercise has a good effect on the deposition of calcium in the bones.

7) Deficiencies in trace elements such as calcium, phosphorus, and zinc will affect physical development. Human bone contains 99% of the total amount of calcium in the body. If there is a lack of calcium and phosphorus, the bones cannot grow normally, and the bones are not strong, and it is easy to have "chicken breast" and "looped legs" deformities.

Children with zinc deficiency lose their appetite and are not as tall or as other normal children of the same age. There is significant improvement with zinc supplementation (eg, oral zinc sulfate).

8) Sexual maturity Regardless of gender, those with late sexual maturity are generally taller; Those with early sexual maturity stop growing earlier and are shorter.

9) Sun exposure Rickets is caused by a lack of vitamin D. Vitamin D is manufactured within the **, and the manufacturing process is inseparable from sunlight. Frequent exposure to the sun makes the body have enough vitamin D, which is extremely important for the absorption and application of calcium and phosphorus in the gastrointestinal tract and to ensure the normal growth of bones.

What factors affect height?

...Females develop slowly around the age of 18. The average person seems to have stopped growing around the age of 25.

Developmental questions may sometimes be about whether or not you are exercising.

Sleep is important. My brother and I are twins. When I was a child, he went to bed early, and I watched TV every day until twelve o'clock. Now he is 1.75 meters and I am 1.6 meters.

Mainly nutrition and exercise issues.

Exercise more and drink more milk.

You try to hop around the house more.

I'm sure you'll grow taller!

In your case, I'm a little sad. You're missing out on a good time to grow up. I'm afraid you've developed the habit of going to bed late since you were a child, coupled with a lack of nutrition.

Studying is tiring, and it is not easy to grow tall. My advice: After the high school entrance examination, exercise more during the day, such as running and playing ball.

Eat more fish, milk, etc., ensure sleep at night, and press your legs or something before going to bed to pull the joints apart. Judging from your current situation, it won't grow too tall, but don't give up, and I wish you success in your exams.