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Adults in Biological News

Genetic marker linked to problem behaviors in adults with developmental disabilities

A common variation of the gene involved in regulating serotonin and norepinephrine in the brain may be linked to problem behaviors in adults with developmental and intellectual disabilities, new research indicates. The findings were published in the July 2009 issue of the American Journal on I...

Psychiatric disorders are common in adults who have had anorexia

The study was initiated in 1985. A total of 51 teenagers with anorexia nervosa were studied, together with an equally large control group of healthy persons. The groups have been investigated and compared several times as the years have passed. "This study is unique in an international perspecti...

After a few drinks, older adults more impaired than they think

GAINESVILLE, Fla. Older, active people who have a drink or two might be more impaired afterward than they think, according to a report today from a University of Florida research group in the Journal of Studies on Alcohol and Drugs . Although people 50 or older in the study metabolized alcoho...

Gardening gives older adults benefits like hand strength and self-esteem

Researchers at Kansas State University already have shown that gardening can offer enough moderate physical activity to keep older adults in shape. In research to be published in February in the journal HortScience , the researchers discovered that among the other health benefits of gardening ...

Gardening gives older adults benefits like hand strength and self esteem

Researchers at Kansas State University already have shown that gardening can offer enough moderate physical activity to keep older adults in shape. In research to be published in February in the journal HortScience , the researchers discovered that among the other health benefits of gardening ...

Young adults need to make more time for healthy meals

January 6, 2009, St. Louis, MO As adolescents mature into young adults, increasing time constraints due to school or work can begin to impact eating habits in a negative way. In a study published in the January 2009 issue of the Journal of the American Dietetic Association , researchers observed...

Natural compounds in cocoa tied to blood flow improvements for adults with type 2 diabetes

McLEAN, VA (May 26, 2008) Scientists have found that consuming cocoa flavanols naturally occurring compounds in cocoa may offer a benefit to those affected by type-2 diabetes. Consuming a cocoa flavanol-rich beverage daily may have the potential to positively impact the blood vessel dysfunct...

High blood pressure in older adults traced to gene's effects in blood vessels

COLUMBUS, Ohio Scientists have identified the gene that sets off a sequence of events in the blood vessels of otherwise healthy adults that can lead to high blood pressure. The disease process eventually makes conditions in vessels ripe for the creation of blockages that can cause heart attacks, ...

For migrating sparrows, kids have a compass, but adults have the map

Even bird brains can get to know an entire continent -- but it takes them a year of migration to do so, suggests a Princeton research team. The scientists have shown that migrating adult sparrows can find their way to their winter nesting grounds even after being thrown off course by thousands...

Meth exposure in young adults leads to long-term behavioral consequences

WASHINGTON, DC August 13, 2007 Young adults who use methamphetamine may be more vulnerable to age-related brain degeneration when they grow older, new animal research suggests. The emergence of behavioral deficits in animals months after methamphetamine discontinuation may be relevant to human...

Lab study shows THC exposure as adolescents linked to negative effects of THC as adults

In earlier studies, researchers at Louisiana State University had found that estrogen or more precisely, having ovaries made adult rats exposed for the first time to THC, the primary ingredient in marijuana and hashish, less sensitive to THC's negative effects on tests of learning and memory. ...

SNPs affect folate metabolism in study of Puerto-Rican adults

BOSTON (November 10, 2008) Researchers at Tufts University have gained further understanding of the genomic basis for altered folate metabolism and the content of uracil in blood DNA. In a study published in October's American Journal of Clinical Nutrition , senior author Jimmy Crott, PhD, and c...

Efavirenz-based initial therapies associated with better outcomes in HIV-infected adults

A study led by researchers at the Johns Hopkins Bloomberg School of Public Health found that HIV-infected patients taking the antiretroviral drug efavirenz were more likely to adhere to treatment and less likely to experience virologic failure and death compared to patients taking nevirapine. Nevi...

Fat intake negatively influences the sleep pattern in healthy adults

WESTCHESTER, Ill. Total fat intake and dinner fat intake seem to influence negatively the sleep pattern in healthy adults, according to a research abstract that will be presented on Tuesday at SLEEP 2008, the 22nd Annual Meeting of the Associated Professional Sleep Societies (APSS). The study,...

RING finger protein 5 may guide treatment for muscle disease in older adults

Researchers at the Burnham Institute for Medical Research (Burnham) have discovered a new player in the development of a disorder called Sporadic Inclusion Body Myositis (sIBM). sIBM is a muscle disease that affects predominantly older men, causing muscles to gradually weaken and waste away. The n...

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

One out of three sexually active older adults infected with HIV has unprotected sex, according to a study by Ohio University researchers. A survey of 260 HIV-positive older adults found that of those having sex, most were male, took Viagra and were in a relationship. AIDs cases among the over-50 ...

Brain regions do not communicate efficiently in adults with autism

A novel look at the brains of adults with autism has provided new evidence that various brain regions of people with the developmental disorder may not communicate with each other as efficiently as they do in other people. Researchers from the University of Washington's Autism Center will report ...

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

The prevalence of diagnosed diabetes in U.S. adults age 20 and older has risen from about 5.1 percent to 6.5 percent, according to researchers at the National Institutes of Health (NIH) and the Centers for Disease Control and Prevention (CDC), who analyzed national survey data from two periods--198...

Suicide risk does not increase when adults start using antidepressants, study finds

The risk of serious suicide attempts or death by suicide generally decreases in the weeks after patients start taking antidepressant medication, according to a new study led by Group Health Cooperative researchers and published in the January issue of The American Journal of Psychiatry. The study a...

Confidence in memory performance helps older adults remember

Believing that you can retain a good memory even in your twilight years is the first step to achieving that goal. Those who believe they can control their memory are more likely to employ mnemonic strategies that help keep memory fit despite the march of time. These are the conclusions of a new Bra...

HIV-infected adults in Botswana respond positively to ARV therapy public treatment program

With preliminary results from a study in Botswana, Harvard School of Public Health researchers have found that people with HIV-1 subtype C in resource-poor settings, who receive antiretroviral (ARV) therapy, can achieve comparable results to those in the developed world. A fully supported health ca...

Carbon nanoparticles toxic to adult fruit flies but benign to young

...their food. Yet adult Drosophila experienced a different fate. Tests showed adults immersed in tiny pits containing two varieties of carbon nanoparticles died...e compounds that were not toxic to the (fruit fly) larvae were toxic to the adults in some cases, so there may be analogies to other toxic effects from fine p...

K-State researchers say after-school programs should promote activity, healthy nutrition

...rive to place their children in healthy environments that are supervised by adults and that provide physical activity and healthful food options." The rese... activity sessions. Children were more active in free play than when led by adults who were not well trained to promote physical activity. "After-school pr...

Race/ethnicity, family income and education associated with sugar consumption

...n race/ethnicity groups that suggest that interventions aimed at reducing the intake of added sugars should be tailored to each group. Using data from adults (≥18 years) participating in the 2005 US National Health Interview Survey (NHIS) Cancer Control Supplement, investigators from the National Canc...

Reducing risk of hospitalization in the elderly

... Older adults who have less strength, poor physical function and...e at higher risk of being hospitalized compared to adults with more strength and better function. That's the...e researchers followed 3,011 healthy, non-disabled adults between the ages of 70 and 80, for an average of a...

Scientists track impact of DNA damage in the developing brain

...eurons were eventually replaced by scar tissue in a process known as gliosis. Overall changes in the hippocampus mimicked those found in the brains of adults with the seizure disorder known as temporal lobe epilepsy. In this study, the loss of Xrcc1 also resulted in seizures in mice. ...

New discovery suggests trees evolved camouflage defense against long extinct predator

...s such as Moa and so the plant life did not evolve a defence against them. "The Chatham island species displays less morphological changes between adults and juveniles," said Burns. "If these colouring changes developed in response to the presence of moa in New Zealand they are reduced when they have ev...

Study explains potential failure of oral contraceptives with obese women

...h enough level to prevent a pregnancy. The findings are of particular importance, researchers noted in their study, because about 30 percent of all adults in the U.S. are obese and the birth control pill is one of the most popular forms of contraception in the nation. "We don't have enough data yet to...

Early-life experience linked to chronic diseases later in life: UBC research

... aging, according to a new UBC study. A team led by UBC researchers Gregory Miller and Michael Kobor performed genome-wide profiling in 103 healthy adults aged 25-40 years. Those who participated in the study were either low or high in early-life socioeconomic circumstances related to income, educatio...

A 'heart healthy' diet and ongoing, moderate physical activity may protect against cognitive decline

...evels May Slow Cognitive Decline in Elderly Studies have found that older adults who are physically active may experience slower rates of cognitive decline.....04) in those who maintained their activity levels. "We found that older adults who were sedentary throughout the study had the lowest levels of cognitive ...

Plastics chemical retards growth, function of adult reproductive cells

...havior and prostate gland in fetuses, infants and children at current human exposures to bisphenol A." The new study points to possible concerns in adults as well, Flaws said. "I think there's a need for more studies where people look in adult humans to see if BPA is affecting follicle growth and ster...

UTSA psychologist awarded $1 million for memory research

...ive memory works and how it is different for older adults aged 60 and above, and younger adults age 18-30," said Smith. "We will also look at dev...at we have found in previous studies is that older adults often miss more of those targeted words," said Smi...

A bird's eye view of art

...hey do it? A mixture of watercolor and pastel paintings by children from a school in Tokyo were classified by the school's art teacher and 10 other adults as either 'good' or 'bad'. Paintings were considered 'good' when the images were clear and discernable, and viewers could see the specific characteris...

Gene expression findings a step toward better classification and treatment of juvenile arthritis

...ginally thought. They included children with rheumatoid factor (RF) positive JIA, meaning their blood tested positive for an antibody commonly seen in adults with rheumatoid arthritis (RA). Surprisingly, the scientists found patterns of gene expression that indicated at least three subgroups of polyarthriti...

Researcher finds Girl Scout meetings provide an opportunity to increase girls' physical activity

...rvention was involving the adults. Rosenkranz said adults should be involved in promoting physical activity ... lasting effectiveness is to make an impact on the adults who structure the environments where children spen...s and troop leaders," he said. "Both these sets of adults need to recognize that getting sufficient physical...

How to text message and avoid pain

...ossible effects on the neck, arms and hands. Young adults with symptoms in these parts of the body use a dif...tafsson studied mobile phone habits among 56 young adults who text message on a daily basis. Half of the sub...n muscles). Gustafsson also interviewed 25 young adults who use mobile phones and computers extensively to...

Children's Hospital Oakland scientists first to discover new source for harvesting stem cells

...ing are needed to explore the maximum potential of this latest discovery. He remains encouraged. "Someday, we will be able to save a lot more kids and adults from these horrific blood disorders." ...

Drinking milk in the morning may help stave off lunchtime hunger

... men and women gauged their feelings of fullness and were allowed to eat until comfortably full at lunch. The researchers found that the milk-drinking adults reported feeling fuller, more satisfied and therefore ate fewer calories at lunch. The researchers suspect that milk's protein content (providing 16%...

'Shortcuts' of the mind lead to miscalculations of weight and caloric intake, says Penn study

...t has become an example of the atypical situations demonstrated in this new article, which may be an explanation for why almost 70 percent of American adults are either overweight or obese. This represents a cognitive explanation for why America is gaining so much weight. The eating environment has morphed ...

Pre-pregnancy depressed mood may heighten risk for premature birth

...looking at the risks for cardiovascular disease among more than 5,000 young adults in four metropolitan areas. The Coronary Artery Risk Development in Young adults Study also collected information about mental health and pregnancy outcomes...
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