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Tag: "younger" at biology news

Vital ocean prey play active role in environment

... of the adults. The life cycle thus keeps krill in younger stages separate from adults, which reduces competi...od and lessens the chance that adults will prey on younger stages. Further studies of krill can lead to an improved picture of the Southern Ocean ecosystem, Ni...

Genes affecting blood pressure change as children become adults

... have higher rates of hypertension that start at a younger age, he says. ...

Thinner and younger

...people's hearts functioned like the hearts of much younger people. And a team from the Pennington Biomedical ...ax between beats in a way similar to the hearts of younger people. The team from the Pennington Biomedical Research Center reports in the April 5 issue of the...

APS lecturer shows rare video of 'teacher-student' immune cell interactions in live animal

... Award for early-career achievement to a scientist younger than 42, whose accomplishments are both original and outstanding. It is the Society's second highest award. A medical doctor who also earned a Ph.D. in neurology and neurosurgery, von Andrian was originally interested in microvascular integrity in t...

Discovery may speed forest biotechnology

...gene earlier, so that trees will reproduce at much younger ages ?months instead of years - and better lend themselves to conventional genetic manipulation. It could be possible, he said, to more rapidly breed some desirable traits, and then, via normal sexual crosses, remove the FT gene to leave behind trees...

With cochlear implants, earlier use leads to better speech

...lieve that it is best to implant when the child is younger than 24 months if parents want a deaf child to use spoken language at the same level as their hearing peers." Nicholas is also on the faculty of the Program in Audiology and Communication Sciences (PACS) at Washington University School of Medicine....

One-third of adults with diabetes still don't know they have it

.... Because the average age of Mexican Americans is younger than for other groups, the age-and sex-adjusted pr... testing for pre-diabetes or diabetes. If you are younger than 45, overweight, and have another risk factor, you should ask about testing. You are at greater...

New HIV study identifies high-risk subgroups of adolescents

...cent) (25 percent Latino and 14 percent White) and younger than the other two groups at 19.17 years old. These patterns suggest that effective HIV prevention needs to target the association between mental health and substance abuse with sexual risk for some adolescents, the authors say. There were also si...

Insect predation sheds light on food web recovery after the dinosaur extinction

...perpetuate through time because the same plants at younger sites do not have the feeding associations seen at Mexican Hat. Wilf suggests that the K-T extinction destroyed the ecological links in the food web. Plants and insects were killed outright, and herbivorous insects took a further hit when ...

Matrilin-3 gene discovered to prevent onset of osteoarthritis

...ly affecting the knees, hips and lower back. While younger people can develop osteoarthritis from joint injuries, the disease most often occurs in people over 65. The causes of osteoarthritis are not known, but they are believed to be both genetic and environmental ?such as being overweight or suffering spor...

High-dose flu vaccines appear to safely boost immunity in elderly

...lthough current vaccines are sufficient to protect younger adults from influenza, the elderly and others at high risk of hospitalization and death from the disease have not responded consistently, the authors write. "Improved vaccines are needed to reduce the morbidity and mortality associated with influenz...

Internal body clock dictates timing of different types of stroke

...ur intervals. Men tended to be around five years younger than women for all the different types, but there was little variation between the sexes in respect of the timing of the various types of stroke. All three stroke types registered two peaks during the day, one between 6 and 8 in the morning and the...

New research examines genetics of successful aging

... conversely, specific genetic sequences present in younger individuals (and not present in those over age 90) that may impede successful aging. The study also looked at a variety of lifestyle factors, such as smoking and alcohol consumption, with the goal of eventually exploring the interactive effects of ge...

Researchers find cause of frontotemporal dementia

...is the most prevalent form of dementia in patients younger than 65. FTD affects the frontal lobe, causing the brain tissue to die off. The frontal lobe is the foremost part of the brain and accounts for about 30% of the brain's mass. Among other things, the frontal lobe is involved in regulating behavior, mo...

Today's babies are fatter babies

...well-child visits among more than 120,000 children younger than 6 years old at 14 Harvard Vanguard Medical Associates practices in eastern Massachusetts from 1980 through 2001. All of the children were enrolled in an HMO, which, throughout the study, used a completely electronic medical record system that co...

Wild meerkats school their young

... sexes aid in rearing the young. Pups (meerkats younger than 90 days of age) are initially incapable of finding their own prey and therefore rely on provisions from other members of the group by responding to their begging calls for food. Meerkats typically feed on a range of unwieldy and often dangerou...

Hope I die before I get old?

...h has shown the opposite. And while both older and younger adults tend to equate old age with unhappiness for...al and Decision Sciences in Medicine. "Not only do younger people believe that older people are less happy, but older people believe they and others must have ...

Wasps queue for top job

...g higher ranked, older wasps, thus promoting their younger relatives. Regardless of age, a wasp's contribution to feeding the queen's young depended only on its position in the queue to inherit queenship. Lower-ranked helpers, and helpers in smaller groups, worked hardest. ...

Healing the heart with bone marrow cells

...tients don't recover from heart attacks as well as younger patients. The key for the older patients would be to find new ways to restore this particular subset of cells in their bone marrow," said Dr. Fazel. "These findings have very important implications," noted Dr. Richard Weisel, Director of the Toronto...

A surprise about our body clock

...tients don't recover from heart attacks as well as younger patients. The key for the older patients would be to find new ways to restore this particular subset of cells in their bone marrow," said Dr. Fazel. "These findings have very important implications," noted Dr. Richard Weisel, Director of the Toronto...

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