The tallest person in the world typically has elongated limbs and an overall larger build than average individuals. They may have a condition called gigantism or acromegaly, which causes excessive growth hormone production. Facial features can also be altered due to this condition.
Growth hormone
A person with gigantism or acromegaly has an excess amount of growth hormone, and grows too much, which not only makes that person very tall, but also somewhat distorts their body proportions.
The life expectancy of people with gigantism can vary depending on individual factors such as the specific cause of gigantism, any associated health conditions, and the effectiveness of treatment. With proper medical care and treatment, individuals with gigantism can live a normal lifespan.
Gigantism is abnormally large growth due to an excess of growth hormone during childhood, before the bone growth plates have closed.
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The tallest person in America is George Bell in Virginia.
"Gigantism" is the common, non-technical, everyday name for "macrosomia."
Gigantism is usually caused by a hormone disorder, not a single gene being dominant or recessive. In some rare cases, gigantism can be caused by a genetic mutation, but it is not a simple dominant or recessive trait.
It has never been revealed if Peter Croch suffers from gigantism.
The tallest person in JLS is Marvin Humes.
The tallest man in recorded history was Robert Wadlow, who stood at 8 feet 11.1 inches (272 cm) tall. He was born in 1918 and reached this remarkable height due to an overactive pituitary gland, which led to a condition known as gigantism.