Chronic jet-lag conditions hasten death in aged mice
Researchers have found that aged
mice undergoing weekly light-cycle shifts--similar to those that humans experience with jet lag or rotating shift work--experienced significantly higher death rates than did old mice kept on a normal daylight schedule over the same eight-week period. The findings ma...
Women often opt to surgically remove their breasts, ovaries to reduce cancer risk
...were much less likely to have a mastectomy, but were more likely to have their ovaries removed," said Evans.
Most of the women, specifically those aged
35 to 45 years, opted for surgery within the first two years after the genetic mutation test, but some did not make a decision until seven years later...
Earliest animals lived in a lake environment, research shows
...en they did.
"It is most unexpected that these first fossils do not come from marine sediments," Kennedy said. "It is possible, too, that similarly aged
or older organisms also existed in marine environments and we have not found them. But at the very least our work shows that the range of early anima...
Most older long-term cancer survivors have poor health habits
...to encourage elderly cancer survivors to live healthier lives.
More than half of the estimated 11 million cancer survivors in the United States are aged
65 years or older. There are relatively few studies looking at older cancer survivors' health behaviors, but evidence suggests that many older long-t...
When children have breathing problems
The children whose health formed the basis of the third course of analysis were selected from the same four areas. Around 1200 girls and boys aged
between six and twelve were involved in the research that lasted about two years. With a parent-completed questionnaire data about the children's heal...
Early-life experience linked to chronic diseases later in life: UBC research
... 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
Those who participated in the study were either low or high in early-life socioeconomic circumstances related to income, education and...
A 'heart healthy' diet and ongoing, moderate physical activity may protect against cognitive decline
...ity and cognitive function over seven years in 3,075 white and black elders aged
70-79 years in the Health, Aging and Body Composition Study. Physical activ...ition in recently postmenopausal women.
Study participants were 90 women aged
50-63 years, one to 10 years post natural menopause, with no history of bre...
2 reproductive factors are important predictors of death from ovarian cancer
...tors that may influence survival after diagnosis with this serious disease."
Robbins and colleagues conducted a longitudinal analysis of 410 women, aged
20 to 54 years. All participants were previously enrolled in the 1980-1982 Cancer and Steroid Hormone (CASH) study as incident ovarian cancer cases. ...
UTSA psychologist awarded $1 million for memory research
... Smith will be recruiting younger adult volunteers aged
18-30 and older adults, aged
60 and above.
Smith, who directs the UTSA Cogn...ory works and how it is different for older adults aged
60 and above, and younger adults age 18-30," said ...
Who goes abroad for fertility treatment and why?
.... The average age across all countries was over 37.5, but German and UK patients tended to have a much higher age profile with 51.1% of Germans being aged
over 40 and 63.5% of British. Civil status also varied between countries; overall 69.9% of all women were married and only 6.1% single. But 82% of ...
Green tea may affect prostate cancer progression
...th factor (VEGF) and prostate specific antigen (PSA). HGF and VEGF are good prognostic indicators of metastatic disease.
The study included 26 men, aged
41 to 72 years, diagnosed with prostate cancer and scheduled for radical prostatectomy. Patients consumed four capsules containing Polyphenon E until ...
Omega-3 fatty acids appear to impact AMD progression
...hers calculated intakes of docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) from dietary questionnaires administered to 2,924 men and women, aged
55 to 80 years, participating in an eight-year supplement trial, the Age-Related Eye Disease Study (AREDS) of the National Eye Institute (NEI). The AR...
Bullies have harassed 14 percent of workers over past 6 months
...Graa contradicts previous results that indicated that workers under the age of 30 were "the most vulnerable to harassment". The study shows that those aged
over 45 are more likely to be the victims of such abuse.
The myth about workers on temporary contracts being more likely to suffer abuse is also tu...
Is cherry juice a new 'sports drink?'
...xercise than those who didn't. Post-exercise pain can often indicate muscle damage or debilitating injuries.
In the study of sixty healthy adults aged
18-50 years, those who drank 10.5 ounces cherry juice (CHERRish 100% Montmorency cherry juice) twice a day for seven days prior to and on the day of a...
Comprehensive cardiogenetic testing for families of sudden unexplained death victims can save lives
...ves were currently not being referred for examination.
When an individual aged
1-50 years dies suddenly, autopsy reveals an inheritable heart disease in t...cardiogenetics department because of unexplained sudden death of a relative aged
1-50 years. The scientists intend to continue to report the yield of family...
Mosquito parasite may help fight dengue fever
...Craig Williams to film the activities of male and female mosquitoes as they aged
to find how the bacteria affected the insects' activity levels. According t...re active than the uninfected insects. Most surprisingly, as the mosquitoes aged
and the infection took hold, it did not increase their activity levels furt...
New human study reinforces antioxidant benefits of tart cherries
...els of antioxidants, specifically five different anthocyanins the natural antioxidants that give cherries their red color.
Twelve healthy adults, aged
18 to 25 years, were randomly assigned to eat either one and a half cups or three cups of frozen tart cherries. Researchers analyzed participants' bl...
Immigrant women may be at higher risk of having a baby with a birth defect
...d. However, an estimated six to 12 in every 10,000 fetuses in Canada still develop neural tube defects.
The study, an analysis of 6,349 new mothers aged
18 to 45 years, examined the relationship between folic acid supplement use in the three months before conception and the mother's maternal country of...
Eat, drink and be merry?
...nwide survey carried out in 2001 the authors looked at the fast food and soft drink consumption, body weight and level of happiness of 2,366 children aged
between 2 and 12 years old. Fast food included French fries, pizza and hamburgers; soft drinks included soda and other sugar-sweetened beverages.
Beverage consumption a bigger factor in weight
...r-sweetened beverages were the only beverages significantly associated with weight change."
Researchers conducted a prospective study of 810 adults aged
25-79 years old participating in the PREMIER trial, an 18-month randomized, controlled, behavioral intervention. Caballero along with colleagues from ...
New approach discovered to lowering triglycerides
The rats used in the experiment were obese to begin with, and developed higher triglyceride levels as the experiment proceeded and they aged
but the animals given lipoic acid fared much better. As they grew from five weeks of age to nine weeks, the blood triglyceride levels doubled in rats...
Human adult testes cells can become embryonic-like
...sed at any point in the future, the researchers say.
He and the research team conducted the study using testes donated to GUMC from four organ donors, aged
16-52 years old.
"This is novel data which strengthens the argument for carrying out further research on pluripotent cells derived from human tes...
Exposure to insecticide may play role in obesity epidemic among some women
... along Lake Michigan who were recruited in the early 1970s. In 2000, Osuch and research partners approached the cohort and began to identify daughters aged
20 to 50 years old.
"These findings not only apply to the offspring of women in our cohort but to any woman who has been exposed to high levels of ...
After a few drinks, older adults more impaired than they think
... as driving," Sullivan said.
The study involved 68 nonsmokers one group aged
50 to 74 and a comparison group aged
25 to 35 who had at least one drink a month. Within each group, some indiv...
Monash scientists debug superbug
... in the US, more people die from Clostridium difficile infections than all other intestinal infections combined, with most deaths involving patients aged
65 years or over. The disease is believed to have contributed to more than 8,000 deaths in the UK in 2007. A less aggressive form of the bacteria is ...
Scientists discover why teeth form in a single row
When we lose our baby teeth, the permanent teeth grow in to replace them, but permanent teeth when lost are lost for good. U.S. adults aged
20 years and older are missing an average of four teeth due to gum disease, trauma or congenital defects. Tooth loss makes chewing difficult, causes s...
Houseplants increase quality of life for retirement community residents
...mes to assisted living or long-term-care facilities is increasing dramatically. These numbers are expected to continue rising. By 2030, the population aged
65 years and older is expected to double to more than 71 million. Quality of life becomes an important issue for older adults who will reside in retir...
Living longer thanks to the 'longevity gene'
...gy has been working for a long time on variations of this gene in humans.
"The most difficult problem is to get enough old people, especially those aged
100 or more, to take part in such a study. Interestingly, the genetic effects are much more evident in 100-year-olds than in 95-year-olds", notes the ...
Cutting salt isn't the only way to reduce blood pressure
...a 36-month period in a second trial. The 2,974 study participants initially aged
30-to-54 and with blood pressure readings just under levels considered high...t is a contraindication to increased potassium intake. Most American adults aged
31-to-50 consume only about half as much as recommended in the Institute of...
February 2009 highlights from Biology of Reproduction
...vide clear, well-controlled data of deleterious effects on the offspring of aged
male mice mated to females of prime reproductive age. The offspring from th... heralded by rapid weight loss. Moreover, mating the offspring derived from aged
males resulted in the production of pups exhibiting decreased weights at we...
Nutritional supplementation program helps prevent weight loss among children in African country
...RUTF in the months preceding the annual harvest would prevent declines in individual weight-for-height and reduce the incidence of wasting in children aged
6 to 60 months over a period of 8 months," the researchers write.
The study included 12 villages in Niger, with six being randomized to interventio...
The heart disease mutation carried by 60 million
... the good news is that we now know the impact of this mutation."
The lifetime risk of developing heart failure is roughly one in five for a person aged
40 years. Now that this mutation has been identified, there is a new glimmer of hope for some of them. The mutation's effects vary a lot from person t...
DREAM: 1 gene regulates pain, learning and memory
...alyzed their memory skills. The results were striking: without DREAM, mice were able to learn faster and remember better. Fascinatingly, the brains of aged
mice (18 months) showed learning capacities similar to those of very young mice.
Thus, DREAM turns out to be a genetic candidate for explaining ol...
Eating habits and exercise behaviors in children can deteriorate early
...hool-aged children (6 to 12 years) felt their children had less healthful diets and leisure-time activities.
Surveying the mothers of 174 children aged
2 to 12, investigators from the University of Tennessee, Knoxville and Brown University Medical School determined the parent's age, height and weight....
Attitudes towards assisted reproduction and preimplantation genetic diagnosis
... 1,500 face-to-face interviews were conducted in each country with subjects aged
18 and over (around 22,500 interviewees in all), with the fieldwork conclud...c, Sweden, France, Denmark and Israel
Using the same technique so a woman aged
over 45 can get pregnant meets with more divided opinions, though with reje...
Sweetened beverage consumption increases in the US
...ations at greater risk for obesity. There are few signs of improvement over the past decade and the situation seems to become worse among young adults aged
20 to 44."
According to Bleich and colleagues, efforts to reduce sugar-sweetened beverage consumption may be an important strategy for reducing em...
Lack of vitamin D causes weight gain and stunts growth in girls
...ty, until this study, little was known about the consequences of insufficient vitamin D in young people. The research team measured vitamin D in girls aged
16 to 22 using a simple blood test (25-hydroxy vitamin D). They also assessed body fat and height to determine how vitamin D deficiency could affect y...
Myth about 'dirty old men' supported by science
...d age in their ads, only three were looking for an older partner among men aged
40 to 59, only one out of 67.
Younger women, on the other hand, prefer older men: fully 14 of 16 women aged
20-39 were looking for an older partner. Among women over 60, however, the...
Calcium and vitamin D may not be the only protection against bone loss
...on. This suggests that increasing the alkali content of the diet may attenuate bone loss in healthy older adults."
In this study, 171 men and women aged
50 and older were randomized to receive placebo or doses of either: potassium bicarbonate, sodium bicarbonate, or potassium chloride for three months....
UNC expands brain imaging study of infants at risk for autism
...delphia. The project also includes a data coordinating center at the Montreal Neurological Institute in Canada.
The study will enroll 544 infants, aged
6 and 12 months, whose older siblings are autistic. At the start, they will receive behavioral assessments and magnetic resonance imaging (MRI) exams....