For the past two years, a doctor who has been trying to find the genetic off switch to stop the aging process has been studying Gabby, as well as two other people who have striking similarities.
"If we could identify the gene and then at young adulthood we could silence the expression of developmental inertia, find an off switch, when you do that, there is perfect homeostasis and you are biologically immortal."
"We been on this journey to find out, are my other children at any risk in having a child like Gabrielle," said Williams, who has five other children between the ages of 1 and 10.
body does not have a "stop switch" for this development. "What happens is we become mature at age 20 and Adidas Originals Sl Loop Runner Tr Review continue to change."
But, said Walker, the Adidas Rose Gold Tennis Shoes
16 year old is the size of a toddler.
Why the Button children never age.
"In some people, something happens to them and the development process is retarded," said medical researcher Richard F. Walker. "The rate of change in the body slows and is negligible."
Gabby Williams has the facial features and skin of a newborn, and she is just as dependent. Her mother feeds, diapers and cradles her tiny frame as she did the day she was born.
A 29 year old Florida man has the body of a 10 year old, and a 31 year old Brazilian woman is the size of a 2 year old. Like Gabby, neither seems to grow older.
Now Walker doesn mean that people will never die. Disease and accidents will still end human life.
other medical problems, including deafness, the inability to walk, eat or even speak.
Walker explains that physiological change, or what he calls Adidas Originals Sl Loop Trail
"But you wouldn have the later years you remain physically and functionally able," he said.
"developmental inertia," is essential for human growth. Maturation occurs after reproduction.
In one of the girls Walker has studied, he found damage to one of the genes that causes developmental inertia, a finding that he said is significant. He also suspects the mutations are on the regulatory genes on the second female X chromosome.
Walker is retired from the University of Florida Medical School and now does his research at All Children Hospital in St. Petersburg. "My fixation has been not on the consequences but the cause of it."
The first subtle internal body changes of aging are seen in the 30s and become more visible in the 40s.
Williams, who works part time at a dermatologist office, and her husband, a corrections officer for the state, share the child care responsibilities for their perpetual infant.
Not only do the people he studying have a growth rate of one fifth the speed of others, but they live with a variety of Adidas Y3 Size 5
At first, when the Williams family members found out about Walker research, they hesitated to become guinea pigs in the studies that would promote a so called "fountain of youth."
Courtesy ABC News
"Gabrielle hasn changed since pretty much forever," said her mother, Mary Margret Williams, 38. "She has gotten a little longer and we have jumped into putting her in size 3 6 month clothes instead of 0 3 months for the footies. "Other than that, she hasn changed much since the  show."
"We did find out with Dr. Walker when he did the [gene] sequencing that it not something we can pass on but just an abnormality, a mutated gene that was just happenstance," she said. "That was a relief for us."
The little girl from Billings, Mont., is 8 years old, but weighs only 11 pounds. Gabby has a mysterious condition, shared by only a handful of others in the world, that slows her rate of aging.
"Without that process we never develop," he said. "When we develop, all the pieces of our body come together and change and are coordinated. Otherwise, there would be chaos."
"There is a progressive erosion of internal order as a result of developmental inertia," he said.
"There was some concern," she said. "We are good Catholics, God fearing people and we believe we are meant to get old the process of life and meant to die. It was scary to think about, and we did not want to be part of it."
could reveal 'biological immortality'
That is why he believes his study of Gabby Williams genetic code is so important. "She fits the model," said Walker.
Unraveling what these three people may have in common is the subject of a TLC television special, "40 Year Old Child: A New Case," which airs Monday, Aug. ET. The show is a follow up to Gabby story, which aired last year.
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