In the 20th century in American every 20 years both children and adolescents grew about an inch and a half. There was a time when it was expected that the children were to outgrow their parents. “In terms of stature we’ve pretty much maxed out. Over the last generation there has been little change in height”, says an anthropologist, William Leonard, at Northwestern University. The average American’s height has hit the ceiling so to speak. In the past 50 years height has stabilized and the average American men’s height is about 5 feet 9 inches and for women its 5 feet 4 inches.
You Are What You Eat
Leonard explains the reason is that most American youths now face few nutritional or health-related stresses. Most Americans have avoided diseases and have consumed enough meat and milk in their youth to reach their potential genetic height growth due to the fact that most people grow most as infants than as adolescents.
“In ethic compositions there are large heterogeneity” says Leonard. “Asian-American and Hispanic Americans is where height increasing is still happening.” According to Leonard what leads to malnutrition and health care problems, and generations of children still growing not reaching the maximums yet are immigration population and communities where there are social economic constraints. Leonard also points out that height averages has more or less stabilized, but there is a small population where increase height are still happening (still not large enough to effect the overall averages).
Sixty years ago, analysis was done on European immigrants to the United States and researchers showed that immigrant children born in the US were taller and had larger heads and broader facial features than their foreign born parents and siblings. Studies that were done more recent in the 60′s and 70′s has even more directly indicated the importance of nutrition to height growth. Anthropologists analyzed a series of villages in Central America. They provided nutritional growth supplements to some infants and placebo to the other infants. The children who had the supplements overwhelmingly grew taller and throughout their life and were more successful. Since the 30′s, studies has shown how a person’s environment (which points towards nutrition) can not only affect directly a person’s size, but their body height as well.
Life in Growing Stages
During the first two to three years of a human’s life is when they grow the fastest, and they will continue to grow taller throughout childhood until about the age of 10 or 11 years of age. Leonard also points out that by the age of 17 is when girls reach their maximum height while boys tend to grow a little later reaching their tallest by 20 years of age. Since growth occurs almost exclusively in infancy and adolescence, it is critical that a person receives good nutrition to get taller.
Communities in South America that are malnourished continue growing throughout their 20′s. But because they grew less during the more critical years of childhood, they still remain shorter than most Americans. Growing beyond 20 years of age is rare says Leonard. Wilt Chamberlain, America’s most famous tall person, had a huge growth spurt at 15 years old and grew four inches within three months. When he stated playing college basketball he was a towering 7 feet 1 inch. But oddly enough, when poor nutrition has inhibited growth earlier in life, late growth spurts are more likely to occur. But oddly enough, when poor nutrition has inhibited growth earlier in life, late growth spurts are more likely to occur.
Height Can Determine Your Life Span
David Gunnel, an epidemiologist at England’s University of Bristol, did a recent study that showed good body height meant a long life in the old days. Since increased height is a result of a person’s early health and nutrition, its possible to say that its a good indicator of one’s longevity.
Gunnel was able to show with his studies that the length of the bone correlates to overall height by exhuming and measuring hundreds ninth to nineteenth century arm and leg bones from English Graves. According to him the longer the bone the more likely a person lived beyond the age of 30.
Studies have shown that in the United States presidential candidates that are taller are most likely to be elected (with the exception of the recent George W. Bush) and based on hearsay evidence the taller a person is the more attractive they are and can find sexual partners easier. Being tall in the more modern time can help someone sexually and professionally be more successful.
When Height is a Problem
Predators and parasites prey less on taller animals because they tend to be less agile. In order to survive when food is scarce, oversized animals need to eat more. Animal evidence show that being too tall can have drawbacks according to Wolf Blanckenhorn of the University of Zurich, Switzerland. There are other difficulties that are pointed from hearsay evidence. “Tall basketball players have their own everyday life disadvantages with food, clothing, living quarters, beds, etc.” says Blackenhorn. There is strain to the circulatory and skeletal systems when a human is very tall.
People will always find ways to get taller, whether it be with a growth enhancer, a growth booster, a growing taller exercise, or books on how to increase your height or how to make yourself taller. And the question will always remain amongst horizontally challenged people is “How can I grow taller?”. According to Leonard, being different in which ever way, even in height, is rarely ever easy. But there is one publication called Growing Taller 4 Idiots that will help anyone who wants to advance their growth by a few inches naturally. Americans have reached their genetic growth potentials, anthropologists think that its unlikely they will develop a new genetic pool to grow even taller. Which means that Americans that are very tall will continue to be perceived as…very tall.
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