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Tag: "younger" at biology news

The appearance of your hands can reveal your age, study finds

...ery is to look and feel better, often by seeking a younger looking appearance. However, looking younger after your facelift or eyelid surgery can conflict with aged hands that simply do not match the face...

High dopamine transporter levels not correlated with ADHD

...disorder in children, with some 3 million children younger than 18 currently receiving treatment in the U.S. Yet the mechanism underlying this disorder and its treatment are still poorly understood. One prominent theory of ADHD is that there is a dysfunction in brain circuits that depend on the neurotransmit...

New data from NIH lab confirms protocol to reverse type 1 diabetes in mice

...lder and with more advanced diabetes compared with younger mice with less advanced diabetes, in which regeneration of remaining islets may be the dominant mechanism. ...

Very low birth weight linked to reduced quality of life in pre-school children

...thers of very low birth-weight babies tended to be younger than the mothers in the control group, and were half as likely to be educated to college degree or higher. 45 per cent didn't work, compared with 17 per cent in the control group. ...

76 percent of workers older than 60 years of age are overweight or obese

..., less than one third of those 40 years of age and younger suffer these health issues. This is one of the conclusions shown in the research of Alberto Cordero of the School of Medicine, and the University Hospital, published in the American Journal of Hypertension , the Revista Española de Cardiología [Sp...

Male chimpanzees prefer mating with old females

...o humans, male chimpanzees prefer older females to younger ones. They found that, compared to younger females, older females were more likely to be approached for copulation, were more often in associat...

Adolescent but not adult hamsters are more aggressive on low dose of fluoxetine

... fluoxetine. Two hours later, they put a smaller, younger same-sex hamster into the experimental hamster's home cage for 10 minutes, creating a threatening situation to which male hamsters usually respond with aggression. The neuroscientists videotaped the encounters to document behaviors such as attacks, ...

Successful lung cancer surgery not enough to break nicotine dependence in many smokers

...s hypothesized that greater nicotine dependence, a younger age, lower income, and a lower level of education would be associated with a greater likelihood of smoking post surgery. But that is not what they saw on two of the four variables. Instead, researchers found no link between the quantity of smoking...

Children of allergy sufferers prone to same problem

...asized, "even though sensitization to allergens at younger ages has been shown to be more important than sensitization in late childhood for the development of wheezing symptoms and asthma." ...

Replacing insulin is top-ranked breakthrough foreseen for health in developing world

...rgets of regenerative medicine, affect people at a younger age in developing than developed countries. They are also much more likely to be prevalent in the poor and have resulted in more deaths in 2005 than infectious disease, maternal and perinatal conditions, and nutritional deficiencies combined. The a...

Ancient ape ruled out of man's ancestral line

...y, shows the remains are more than a million years younger than earlier estimates. The team used uranium lead chronology to date the remains. Working on extracts of stalagmite deposits from immediately above and below the body, they dated the skeleton at around 2.2 million years old. Their findings, p...

Studies find general mechanism of cellular aging

...to function in a manner more similar to cells from younger mice. Teams from the medical schools at the Univ...ient animals as they aged, "almost as if they were younger animals." In mice with an excess of p16INK4a, "islet cells aged prematurely; they stopped dividing e...

New technology to speed up research into Huntington's disease

...correct), HD mice struggled with the task although younger HD mice, who had not progressed as far in the dise...of stimuli, this proved too difficult even for the younger HD mice. Importantly, and where the screen is so valuable, all the HD mice were physically able t...

Gene signature assesses breast cancer outcomes

...atient outcomes in a group of patients 55 years or younger with breast tumors under 5 cm. The 231 genes were reduced to a core group of 70 that make up a genetic signature to predict outcomes in a separate group of patients from the same institution. To determine whether the 70-gene signature performed bett...

Hair-growth drug artificially lowers PSA levels in prostate cancer screening, study finds

...rsally known that finasteride lowers PSA levels in younger men who take it for hair growth," said Dr. Claus Roehrborn, chairman of urology at UT Southwestern Medical Center and co-principal investigator of The Lancet study, along with Dr. Anthony D'Amico of Brigham and Women's Hospital and Dana-Farber Cancer...

Older fathers more likely to have autistic children

...um disorders compared with those whose fathers are younger than 30 years, according to an article in the September issue of Archives of General Psychiatry, one of the JAMA/Archives journals. Autism is characterized by social and language abnormalities and repetitive patterns of behavior, according to backg...

Researchers show that veins stiffen as we age

...er adults would be less flexible than those of the younger adults," Farquhar said. "But we didn't know if that might be due to a functional process, such as a chronic constriction of the muscles around the veins, or if this decreased flexibility was due to some change in the structure of the veins themselves...

Ape gestures offer clues to the evolution of human communication

...ared ancestry. We know gestures are evolutionarily younger than facial expressions and vocalizations, as shown by their presence in apes and humans but not in monkeys. "A gesture that occurs in bonobos and chimpanzees as well as humans likely was present in the last common ancestor," said Pollick. "A good ex...

Drug treatment improves learning in mice with Down syndrome symptoms, Stanford/Packard study shows

...as older, drug-experienced neurons are replaced by younger cells. The researchers believe that the key to the improvement lies in the fact that PTZ blocks the action of an inhibitory neurotransmitter called GABA. Normal brains maintain a precise ratio between neuronal excitation and inhibition that allows...

1/3 of sexually active older adults with HIV/AIDs has unprotected sex

...der adults who were not cognitively impaired, were younger and who considered their overall health to be good. Because many older adults with HIV are not sexually active, those who do have unprotected sex account for just 13 percent of the overall number of infected people who are aged 50 or older. How...

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