Thyroid hormone plays a crucial role in bone and brain development. According to Cleveland Clinic, if a child lacks thyroid hormone, growth hormone (GH) does not function effectively, leading to stunted growth, short stature, and impaired intellectual development. Excessive levels (hyperthyroidism) often accelerate metabolism, depleting energy reserves, which can affect normal bone development.

Parents should seek medical evaluation if their child's height is shorter than peers or deviates from World Health Organization (WHO) standards. Doctors measure height and weight, assess bone age, and order necessary tests to determine the cause.

Testosterone influences a child's height growth across different developmental stages. Before puberty, testosterone levels are low, and the child's height is primarily governed by growth hormone (GH) produced by the pituitary gland.

During puberty, testosterone rapidly increases, stimulating higher GH levels and facilitating rapid bone and muscle development.

Regular height checks help assess a child's physical development. *Tam Anh General Hospital*

Estrogen, while contributing to pubertal growth spurts, also signals the eventual cessation of height increase. When puberty begins, growth hormone (GH) and sex hormones contribute to a child's rapid height increase. However, estrogen in both boys and girls also promotes bone maturation and causes growth plates to gradually close. Once these growth plates are fully fused, height virtually stops increasing.

Cortisol. Prolonged stress causes the body to release more cortisol hormone, which interferes with pituitary gland function, thereby reducing the production and inhibiting the effectiveness of growth hormone (GH). This leads to a decrease in the rate of height development, according to the Times of India.

Elevated stress hormones can also lead to nutritional deficiencies critical for bone health. When stress hormones are elevated, children often have poor appetite or digestive issues, increasing the risk of lacking essential nutrients for bone development, such as calcium and vitamin D.

For optimal height growth, children need sufficient, deep sleep at night, as this is when growth hormone is most actively secreted. Their diet should be rich in protein, calcium, vitamin D, zinc, and iodine to support thyroid function and bone development. Regular physical activity like running, swimming, and jumping stimulates natural GH secretion. Children should minimize stress and avoid excessive use of electronic devices, which can disrupt endocrine balance.

Le Nguyen (Compiled)