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Medicine & Health / Genetics news 1234

Identical twins not as identical as believed

February 15, 2008 | User rating: 3.9 / 5 after 73 vote(s) | User comments: 3

Contrary to our previous beliefs, identical twins are not genetically identical. This surprising finding is presented by American, Swedish, and Dutch scientists in a study being published today in the prestigious journal ...


Scientists Unravel Mystery of People with No Fingerprints

September 13, 2006 | User rating: 3.8 / 5 after 28 vote(s) | User comments: 1

Researchers at the Technion-Israel Institute of Technology have succeeded in unraveling the genetic basis of two rare congenital diseases in which afflicted persons have no fingerprints. The results will be published in the ...


Scientists identify new longevity genes

March 12, 2008 | User rating: 4.5 / 5 after 43 vote(s) | User comments: 22

Scientists at the University of Washington and other institutions have identified 25 genes regulating lifespan in two organisms separated by about 1.5 billion years in evolutionary change. At least 15 of those genes have ...


When nerve cells can’t make contact

September 22, 2006 | User rating: 4.7 / 5 after 17 vote(s) | No comments yet

Using an animal model, brain researchers in Göttingen have examined the effects of mutations that cause autism in humans. These are mutations in the genes which carry the building instructions for proteins ...


Genes May Hold Keys to How Humans Learn

October 02, 2007 | User rating: 4.4 / 5 after 29 vote(s) | User comments: 1

New research is giving scientists fresh insights into how genetics are a prime factor in how we learn.


DNA code breaker tested theory on Jane Austen text

November 17, 2006 | User rating: 4.4 / 5 after 29 vote(s) | No comments yet

A researcher at the University of Bradford has perfected a computer programme that could unlock the secrets of the human genome and pave the way towards new treatments and drugs sooner than had been expected.


Scientists dig deeper into the genetics of schizophrenia by evaluating microRNAs

May 11, 2008 | User rating: 4.4 / 5 after 10 vote(s) | No comments yet

Researchers at Columbia University Medical Center have illuminated a window into how abnormalities in microRNAs, a family of molecules that regulate expression of numerous genes, may contribute to the behavioral ...


Researchers confirm association between gene and intelligence

February 27, 2007 | User rating: 4.5 / 5 after 38 vote(s) | No comments yet

If you're particularly good with puzzles or chess, the reason may be in your genes. A team of scientists, led by psychiatric geneticists at Washington University School of Medicine in St. Louis, has gathered the most extensive ...


Johns Hopkins to participate in 1000 Genomes Project

January 22, 2008 | User rating: 4.9 / 5 after 7 vote(s) | No comments yet

Researchers at the McKusick-Nathans Institute of Genetic Medicine (IGM) at Johns Hopkins will join other national and international scientists in the 1000 Genomes Project, an ambitious effort that will involve sequencing ...


Homosexual behavior due to genetics and environmental factors

June 29, 2008 | User rating: 4.4 / 5 after 38 vote(s) | User comments: 6

Homosexual behaviour is largely shaped by genetics and random environmental factors, according to findings from the world's largest study of twins.


First reproducible connection made between genes and height in humans

September 02, 2007 | User rating: 4.5 / 5 after 15 vote(s) | No comments yet

It became clear nearly a century ago that many genes likely influence how tall a person grows, though little progress, if any, has followed in defining the myriad genes. Now an international research team brings light to ...


Probing Question: What makes somebody a morning person or a night owl?

November 30, 2006 | User rating: 3.4 / 5 after 32 vote(s) | No comments yet

I'm a dyed-in-the-wool morning guy: up at 5, nodding off by 9 p.m. My college-freshman son, on the other hand, is the proverbial night owl: up around noon, and I don't even want to know when he gets to bed.


New route for heredity bypasses DNA

January 04, 2008 | User rating: 4.6 / 5 after 51 vote(s) | User comments: 1

A group of scientists in Princeton's Department of Ecology and Evolutionary Biology has uncovered a new biological mechanism that could provide a clearer window into a cell's inner workings.


Buildup of damaged DNA in cells drives aging

December 20, 2006 | User rating: 4.4 / 5 after 20 vote(s) | No comments yet

The accumulation of genetic damage in our cells is a major contributor to how we age, according to a study being published today in the journal Nature by an international group of researchers. The study found that ...


Researchers find connection between caloric restriction and longevity

September 20, 2007 | User rating: 4.8 / 5 after 59 vote(s) | No comments yet

For nearly 70 years scientists have known that caloric restriction prolongs life. In everything from yeast to primates, a significant decrease in calories can extend lifespan by as much as one-third. But getting under the ...


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