genes

Stories 1 - 20 |  Next >>

How Tough Childhoods May Lead to Premature Aging

Kids may appear to bounce back from life stressors, but their bodies tell a different story

(Newser) - Children appear to be highly susceptible to the stress of trauma on a biological level, according to a study published in the Proceedings of the National Academy of Sciences . US and Canadian researchers led by Eli Puterman of the University of British Columbia have been studying the length of telomeres,... More »

Don't Blame 'Obesity Gene' for Failure to Lose Weight

Study finds the gene does not prevent carriers from losing weight

(Newser) - Carriers of a specific form of the FTO gene, known as the "obesity gene," are 70% more likely to be obese , tend to have a bigger appetite , and weigh an average of 6.6 pounds more than non-carriers. But, a new study finds, carrying the gene does not... More »

Genes Help Predict When We Lose Our Virginity

Scientists exploring a possible link between onset of puberty and sexual activity

(Newser) - Sure, people become sexually active under countless circumstances for countless reasons and at many different ages, but at least part of the timing appears to come down to our genes, Cambridge University researchers report in the journal Nature . Studying the genes and life histories of nearly 400,000 people, they... More »

Dad Learns He's Autistic When Daughter Is Diagnosed

Chris Offer had been with his wife 7 years before diagnosis

(Newser) - In the early days of their relationship, Jessica Offer says she and her now husband Chris Offer would argue over his discomfort in looking people directly in the eye. Then there was the sensitivity to social overload. And after moving in together, the absurd neatness of their kitchen pantry. But... More »

Scientists Find Gene Linked to Gray Hair

It's the first time one has been found in humans

(Newser) - Those unhappy with their gray hair now have to turn to a bottle of dye to cover it up, but a new study raises the possibility of being able to prevent hair from going gray in the first place. London researchers have identified a gene that causes hair to lose... More »

Family Sues After Boy Is Expelled Over His DNA

A trial could help establish exactly who can access one's genetic information

(Newser) - When Colman Chadam was born in 2000, he underwent extra medical tests after a congenital heart issue was discovered. Doctors learned that the infant carried genetic markers associated with cystic fibrosis, but he never went on to develop the disease. In fact, that test was the boy's only interaction... More »

Morning Person or Night Owl? Your Genes May Decide

Biology may be influencing if you stay up all night or wake up with the sun

(Newser) - You may be naturally disposed toward being a morning person or a night owl—and scientists are now saying that may have a true biological basis that's hard to fight, the Guardian reports. Per a study published Tuesday in Nature Communications , researchers under the direction of 23andMe lead scientist... More »

Irish Bones May Settle 'Archaeological Controversy'

What researchers learned from 4 sets of remains

(Newser) - It's a "long-standing archaeological controversy": whether the Irish shifted from hunter-gatherers to farmers because of adaptation or migration. A new DNA analysis of remains from several people, dating back thousands of years, may settle the question—as well as provide a better sense of where the Irish came... More »

Your Father's Sperm Might Be Making You Fat

Dad's weight when he conceives children may affect them, study says

(Newser) - Having trouble maintaining your ideal weight? Blame your dad's sperm. That may sound odd, but a study published Thursday in Cell Metabolism found that a man's weight may change the information carried in his sperm and predispose his children to obesity, reports the New York Times . Researchers compared... More »

This Artist's DNA Could Be Yours for the Right Price

'An extremely personal self portrait'

(Newser) - A 29-year-old Dutch artist is selling what he calls "an extremely personal self portrait." How extremely personal? Let's just say it's everything that makes him him—genetically speaking. Jeroen van Loon has made his entire DNA sequence available to the highest bidder as part of a... More »

Scientist Tackles 'Last Major Disease We Don't Know Anything About'

Whitney Dafoe no longer walks, talks, or eats, and is fed intravenously

(Newser) - Whitney Dafoe packed a lot in his first quarter-century of life. The son of renowned scientist Ronald Davis, the head of the Genome Technology Center at Stanford University, was an award-winning photographer who traveled the world and worked on Obama’s 2008 campaign. Now 31 and diagnosed with systemic exertion... More »

Secret to Longevity? Deleting Certain Genes

Scientists discover 238 genes linked to aging

(Newser) - Ten years into research they call "exhaustive," scientists at the University of Washington and the Buck Institute for Research on Aging are reporting in the journal Cell Metabolism that they've isolated 238 genes linked to aging in yeast cells. After working with undergrads to painstakingly delete a... More »

Study: DNA Test Can Predict Whether You're Gay

Potential for misuse troubles lead scientist, who's just left the lab

(Newser) - UCLA scientists think they've developed the first test that can accurately predict whether a man is gay based on his DNA, and all it takes is a swab of saliva, reports New Scientist . The researchers examined 400,000 epigenetic tags—"chemicals that latch onto DNA and help turn... More »

New Test Can Predict When You'll Die

'Gene signature' can be used to predict onset of diseases

(Newser) - "Health" and "age" are two distinct concepts, and no matter how old you are chronologically, a simple blood test can help determine what King's College London researchers call your "biological age"—which may be able to predict your longevity, the BBC reports. A study published... More »

There Is One Proven Way to Prevent a Hangover

Neither water nor fatty foods appear to make a difference

(Newser) - Bad news for those who like to imbibe copious amounts of alcohol. The only proven way to prevent a hangover is to, well, imbibe smaller amounts of alcohol. Researchers tested various hangover "cures" on 826 Dutch students and found that neither drinking water nor eating fatty foods will "... More »

Holocaust Survivors' Trauma Lives On in Kids' Genes

Study may explain why offspring are more at risk for stress disorders

(Newser) - Holocaust survivors pass on trauma through their genes, making their children and possibly even grandchildren more susceptible to PTSD and other stress disorders, according to new research . The Guardian reports researchers looked at 32 Jewish men and women who survived traumatic experiences at the hands of Nazis during World War... More »

Shorter Women Tend to Have Shorter Pregnancies

Maternal height appears to influence gestational age

(Newser) - The height and weight of a newborn baby is largely governed by his or her own genes, but it's the height of the mother that's giving researchers a telltale sign, reports the Telegraph . Specifically, shorter women have shorter pregnancies and thus more premature babies, report investigators at the... More »

Tongue-Rolling Myth Totally 'Debunked'

Biologist John McDonald aims to set the record straight

(Newser) - For anyone who can still proudly recall one factoid learned in high school biology—that the ability to roll one's tongue is genetic—bad news: You learned it wrong. John McDonald, an evolutionary biologist, is out to debunk what he calls a myth about the genetic roots of tongue-rolling,... More »

In a Risky First, Scientists Edit Human Embryos' DNA

Experiment in China has limited success, raises host of ethical issues

(Newser) - Advances in DNA research are fairly common these days, but a new study out of China seems to qualify for bombshell status: Scientists there edited the genes of human embryos for the first time, reports Nature . This gets into controversial and "ethically charged" territory, notes the MIT Technology Review ... More »

Study: Why Mosquitoes Like You More

Study suggests our genes control scents that attract or repel mosquitoes

(Newser) - Mosquito bites aren't just annoying. They can be lethal, especially in certain parts of the world where they spread malaria and Chikungunya. Now a pilot study out of the London School of Hygiene & Tropical Medicine suggests that our genes dictate whether mosquitoes are attracted to us, researchers report... More »

Stories 1 - 20 |  Next >>

AROUND THE WEB