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Last updated on April 24, 2014 at 16:36 EDT

Latest Twin study Stories

Understanding How To Address Childhood Aggression
2014-01-21 08:41:15

University of Montreal The development of physical aggression in toddlers is strongly associated genetic factors and to a lesser degree with the environment, according to a new study led by Eric Lacourse of the University of Montreal and its affiliated CHU Sainte-Justine Hospital. Lacourse's worked with the parents of identical and non-identical twins to evaluate and compare their behavior, environment and genetics. "The gene-environment analyses revealed that early genetic factors were...

The Mystery Of Handedness
2013-10-02 05:23:47

April Flowers for redOrbit.com - Your Universe Online Most of us are right handed, with only approximately ten percent of the population of the UK, and the world at large, being left handed. But why that is so remains a mystery. Two independent studies might have given us some clues to the mystery, however. Professor John Armour and Dr. Angus Davison from The University of Nottingham collaborated with University College London's Professor Chris McManus to rule out a "strong genetic...

2013-08-28 10:44:41

The fact that taller people also tend to be slightly smarter is due in roughly equal parts to two phenomena—the same genes affect both traits and taller people are more likely than average to mate with smarter people and vice versa—according to a study led by the University of Colorado Boulder. The study did not find that environmental factors contributed to the connection between being taller and being smarter, both traits that people tend to find attractive. The modest correlation...

2013-06-14 13:47:33

-An early age at first drink (AFD) is associated with a greater risk for subsequent alcohol use disorders. -A new study looks at the influences of genetics versus the environment on AFD and problem drinking among African American (AA) and European American (EA) women. -Findings indicate that environmental factors play a larger role in the development of alcohol-related problems in EA than AA women. An early age at first drink (AFD) is associated with a greater risk for subsequent alcohol...

2012-06-12 10:32:47

The extent to which our development is affected by nature or nurture — our genetic make-up or our environment — may differ depending on where we live, according to research funded by the Medical Research Council and the Wellcome Trust. In a study published today in the journal Molecular Psychiatry, researchers from the Twins Early Development Study at King's College London's Institute of Psychiatry studied data from over 6,700 families relating to 45 childhood characteristics,...

2012-05-16 15:56:45

Genes play a greater role in forming character traits -- such as self-control, decision making or sociability -- than was previously thought, new research suggests Genes play a greater role in forming character traits - such as self-control, decision making or sociability - than was previously thought, new research suggests. A study of more than 800 sets of twins found that genetics were more influential in shaping key traits than a person's home environment and surroundings....

2012-03-06 12:03:19

Researchers use adoption model to understand impact of genetics and environment The risk of abusing drugs is greater — even for adopted children — if the family environment in which they are raised is dysfunctional, according to a new study conducted by a collaborative team from Virginia Commonwealth University and Lund University in Sweden. Previous research suggests that drug abuse is strongly influenced by a mix of genetic factors and the environment, including influences...

2012-02-06 13:34:42

Swedish twin study points out major public health concern Both subjective and objective cognitive impairment are highly common among non-demented elderly Swedes, with an overall prevalence of 39 percent and 25 percent respectively, according to a nationwide twin study by researchers at the Aging Research Center of Karolinska Institutet, Sweden. The study confirms higher education as a major protective factor and stresses the importance of environmental aspects over genes in mild cognitive...

Autism Chances Enhanced With Low Birth Weight
2012-01-20 09:36:05

The basis of autism spectrum disorder (ASD) is long known to have a strong genetic component, however new research is suggesting that environmental factors may play an equally important role in this developmental disorder affecting nearly one in 100 children. The study, published in the journal Psychological Medicine suggests that low birth weight is an important environmental factor contributing to the risk of ASD, reports Wendy Leopold for Northwestern University. Lead author of the...

2011-07-05 19:44:10

Non-inherited genetic factors also in the mix -- NIH-funded science The largest and most rigorous twin study of its kind to date has found that shared environment influences susceptibility to autism more than previously thought. The study, supported by the National Institutes of Health, found that shared environmental factors "“ experiences and exposures common to both twin individuals "“ accounted for 55 percent of strict autism and 58 percent of more broadly defined autism...