Young age at first drink can turn under-15s into alcoholics

Washington, Sept 19 (ANI): Drinking at young age may affect genes linked to alcoholism and make youngsters vulnerable to severe problems, says a new study.

The study led by Dr Arpana Agrawal, from Washington University School of Medicine in St. Louis, revealed that the younger an individual was at first drink, the greater the risk for alcohol dependence and the more prominent the role played by genetic factors.

“There seemed to be a greater genetic influence in those who took their first full drink at a younger age,” said Agrawal.

“That’s very consistent with what has been predicted in the literature and in the classification of types of alcohol dependence, but we present a unique test of the hypothesis,” she added.

During the study, the researchers studied 6,257 adult twins from Australia and measured the extent to which age at first drink changed the role of heritable influences on symptoms of alcohol dependence.

The study showed that when twins started drinking early, genetic factors contributed greatly to risk for alcohol dependence, at rates as high as 90 percent in the youngest drinkers.

The team also found that those who were 15 or younger when they started drinking tended to have a greater genetic risk for alcohol dependence.

However, some who were 16 or older before they took their first drink later became alcohol dependent, but their dependence was related more to environmental factors.

“Something about starting to drink at an early age puts young people at risk for later problems associated with drinking,” Agrawal says.

“We continue to investigate the mechanisms, but encouraging youth to delay their drinking debut may help.

“Some early-onset drinkers do not develop alcohol problems and some late-onset drinkers do – we are working on why that is the case, but it is important to note that this is one risk factor among many and does not determine whether a person will, or will not, develop alcohol dependence.

“But age at first drink is a well-known risk factor, and there have been two main hypotheses about why:

One has been that common genetic and environmental factors contribute both to the risk for alcohol dependence and to the likelihood a person will be younger when consuming their first drink,” she added.

The study will be published Alcoholism: Clinical and Experimental Research. (ANI)

Women with high emotional intelligence ‘have more fun in bed’

London, May 12 (ANI): Women with high emotional intelligence (EI) have better sex lives, according to a new study.

Emotional intelligence is the ability to monitor and manage emotions in oneself and others.

The study by a research team at King’s College London showed that those with greater EI had more orgasms. It also suggests that low EI is a risk factor for female orgasmic disorder.

“These findings show that emotional intelligence is an advantage in many aspects of your life including the bedroom. This study will help enormously in the development of behavioural and cognitive therapies to improve women’s sexual lives,” the Independent quoted Professor Tim Spector, director of the Twin Research Department at King’s College London and co-author of the study, as saying.

For the study, a total of 2,035 female volunteers from the TwinsUK registry were recruited, ranging in age from 18 to 83.

The registry consists of adult twins who agreed to take part in studies to investigate the causes of common disorders. Using twins makes it possible to disentangle genetic and environmental risk factors.ll participants completed questionnaires giving details of their sexual behaviour and performance and also answered questions designed to test their emotional intelligence.

Researchers found a significant association between EI and frequency of orgasm both during masturbation and sexual intercourse.

Women in the bottom 25 percent of the emotional intelligence range had twice the normal risk of infrequent orgasm.

Lead author, psychologist Andrea Burri, also from King’s College, said: “Emotional intelligence seems to have a direct impact on women’s sexual functioning by influencing her ability to communicate her sexual expectations and desires to her partner.

She also said that there was a possible association with a woman’s ability to fantasise during sex.

“Emotional intelligence seems to have a direct impact on women’s sexual functioning by influencing her ability to communicate her sexual expectations and desires to her partner,” said Burri.

The results of the study appear in The Journal of Sexual Medicine. (ANI)

We’re friendlier ‘to people who resemble us’

London, Mar 4 (ANI): We’re more helpful to those who look like us, finds a new study.

The research, published in Biology Letters, says this is so because in the past our early ancestors assumed that they were related.

According to researchers, the belief goes back to when mirrors were nowhere present and people could learn what their kin looked like only by inspecting the faces of household members.

The study also found that people are more naturally drawn to people who looked like them than our own relatives – if the resemblance was too strong, reports The Telegraph.

To reach the conclusion, the researchers studied 70 identical adult twins who, although genetically the same, had over the years grown to look different from each other.

Then they manipulated the photographs of the participants by digitally mixing them with a model’s face so that the images would either resemble them or their co-twin.

Then they asked each one who they would prefer to rescue from danger and which one they would prefer a different sex sibling to marry.

In each case, the person most resembling themselves was preferred almost two thirds of the time – significantly higher than being down to chance alone.

Dr Paola Bressan, of the University of Padova, Italy, said: “Our work shows a stranger who resembles us elicits pro-social regard more than a stranger who resembles a close family member – even one as close as our identical twin, who is, incidentally, genetically identical.” (ANI)

We’re friendlier ‘to people who resemble us’

London, Mar 4 (ANI): We’re more helpful to those who look like us, finds a new study.

The research, published in Biology Letters, says this is so because in the past our early ancestors assumed that they were related.

According to researchers, the belief goes back to when mirrors were nowhere present and people could learn what their kin looked like only by inspecting the faces of household members.

The study also found that people are more naturally drawn to people who looked like them than our own relatives – if the resemblance was too strong, reports The Telegraph.

To reach the conclusion, the researchers studied 70 identical adult twins who, although genetically the same, had over the years grown to look different from each other.

Then they manipulated the photographs of the participants by digitally mixing them with a model’s face so that the images would either resemble them or their co-twin.

Then they asked each one who they would prefer to rescue from danger and which one they would prefer a different sex sibling to marry.

In each case, the person most resembling themselves was preferred almost two thirds of the time – significantly higher than being down to chance alone.

Dr Paola Bressan, of the University of Padova, Italy, said: “Our work shows a stranger who resembles us elicits pro-social regard more than a stranger who resembles a close family member – even one as close as our identical twin, who is, incidentally, genetically identical.” (ANI)