Is It Possible to Get Taller as an Adult?

罗伯特•Wadlow已经8英尺7英寸高the young age of 19 in this photo — and he hadn’t stop growing yet.
Robert Wadlowwas already 8 feet, 7 inches tall at the young age of 19 in this photo — and he hadn’t stop growing yet.
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1918年2月22日,Robert Pershing Wadlow was born in Alton, Illinois. He was perfectly unremarkable in every way — until one remarkable exception revealed itself. By age 13, Wadlow, who had an overactive pituitary gland, had grown to 7 feet 4 inches, making him tall enough to be named the World's BiggestBoy Scout. By adulthood, he was 8 feet 11.1 inches in height; he was named World's Tallest Man. Wadlow towered over everyone he met as he toured the United States as a shoe company spokesman until his death in 1940. He would still be considered a giant if he were alive today.

According to theCenters for Disease Control(CDC), the average height of people in the United States is 5 feet 4 inches for women and 5 feet 9 inches for men. In the past few decades, the collective height of Americans has leveled out, especially when compared to the first half of the 20th century. From the early 1900s through the 1950s, the population got increasingly taller — about 1.5 inches taller every 20 years [source:疾病预防控制中心].

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Endocrine disorders can cause adults to keep growing, often to astounding heights. The conditiongigantismis caused by a tumor that creates an abundance of growth hormones. The condition begins in adolescence; by adulthood, it can lead to heights of 8 feet or more. Another type of tumor affecting the endocrine system can cause adults to developacromegaly, a disease in which the extremities (hands, feet, even the jaw) reach gigantic proportions.

Hormone-fueled disorders aside, there is a slim chance you could continue to grow taller in adulthood — but only if you failed to receive adequate nutrition in your youth, when your body does most of its development. Humans are designed to have growth spurts during two stages in life: infancy and adolescence. These critical time frames extend from birth to age 3, then age 10 to 17. The body increases in height as hormones stimulate new layers of bone. Growth plates at each end of the bone determine the length of bones, and once they close, height gains cease.

Few people experience a growth in height beyond age 20, with some notable exceptions. There's a slim chance that the growth plates could remain open for a person up to his or her mid-20s. If a person was nutritionally repressed during childhood and adolescence, the ability to eat more at an older age, even into adulthood, can sometimes make that person grow taller. There's also a controversial surgery in which the bones of the legs are broken and separated, resulting in the addition of a few inches of length [source:Onion].

If you're raising children, you can guarantee their height gains by offering a balanced diet. But if you're an adult wishing wistfully for a few extra inches, your best bet might be a platform shoe!

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  • Centers for Disease Control and Prevention. "Anthropometric Reference Data for Children and Adults: United States, 2007-2010." 2010. (July 2015) http://www.cdc.gov/nchs/data/series/sr_11/sr11_252.pdf
  • Onion, Amanda. "Why Have Americans Stopped Growing Taller?" ABC News. July 3, 2015. (July 10, 2015) http://abcnews.go.com/Technology/story?id=98438
  • Roadside America. "Robert Wadlow, World's Tallest Man." (July 10, 2015) http://www.roadsideamerica.com/story/2086
  • Williams, Paige. "Why do we stop growing?" MSNBC. 2013. (July 10, 2015) http://www.nbcnews.com/id/3076703/t/why-do-we-stop-growing/#.Vak34mAmqxE
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