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Often, “there is no identifiable cause for growth hormone deficiency,” notes Waikar. Brain abnormalities and certain genetic conditions can affect the development of the pituitary gland, which ...
Poor balance or coordination due to cerebral ataxia. [8] Eye defects such as coloboma or ptosis. [13] Increased incidence of color-blindness [18] [19] The exact genetic nature of each particular case of KS/HH will determine which, if any, of the non-reproductive features will occur. The severity of the symptoms will also vary from case to case.
During times of stress, the body reacts by secreting stress hormones into the bloodstream. Stress can cause acute and chronic changes in certain brain areas which can cause long-term damage. [4] Over-secretion of stress hormones most frequently impairs long-term delayed recall memory, but can enhance short-term, immediate recall memory.
Problems with balance can occur when there is a disruption in any of the vestibular, visual, or proprioceptive systems. Abnormalities in balance function may indicate a wide range of pathologies from causes like inner ear disorders, low blood pressure, brain tumors, and brain injury including stroke. [citation needed]
Diagnosis involves blood tests to measure growth hormone levels. [2] Treatment is by growth hormone replacement using synthetic human growth hormone. [1] The frequency of the condition is unclear. [2] Most cases are initially noticed in children. [1] The genetic forms of this disease are estimated to affect about 1 in 7,000 people. [3]
The reverse explanation is that the intelligent and studious child reads more which causes myopia. Another is that the myopic child has an advantage at IQ testing which is near work because of less eye strain. Still another explanation is that pleiotropic gene(s) affect the size of both brain and eyes simultaneously. [62]
About 98% of cases of acromegaly are due to the overproduction of growth hormone by a benign tumor of the pituitary gland called an adenoma. [17] These tumors produce excessive growth hormone and compress surrounding brain tissues as they grow larger. In some cases, they may compress the optic nerves. Expansion of the tumor may cause headaches ...
Growth hormone is a peptide hormone secreted by the pituitary gland that stimulates growth and cell reproduction. In the past, growth hormone was extracted from human pituitary glands. Growth hormone is now produced by recombinant DNA technology and is prescribed for a variety of reasons. GH therapy has been a focus of social and ethical ...