Κυριακή 4 Μαΐου 2014

ScienceDaily: Latest Science News

ScienceDaily: Latest Science News


Vibrating capsule shows promising results in treating chronic constipation: Non-pharmacological therapy

Posted: 03 May 2014 11:12 AM PDT

An oral capsule that vibrates as it moves through the digestive tract has shown notable promise as a non-pharmacological treatment for constipation, according to new research. The capsule, which houses a small engine inside, is programmed to begin vibrating six to eight hours after swallowing. The vibrations (mechanical stimulations) cause contractions in the intestine, which help move stool through the digestive tract.

Nearly 50 percent of physicians believe diversion of ADHD stimulant medications among teens is a problem

Posted: 03 May 2014 05:27 AM PDT

Two recent studies examined physicians' perceptions and knowledge of diversion of stimulant medications for Attention Deficit Hyperactivity Disorder as well as practices physicians use to prevent diversion among their patients prescribed these medications.

Lower verbal test score for toddlers who play non-educational games on touch screens

Posted: 03 May 2014 05:27 AM PDT

A recent study examined infants 0-3 years old that used touch-screen devices to determine if their use was of any educational benefit to infants and toddlers. The study showed that children who played non-educational games using touch-screen devices had lower verbal scores upon testing.

Smoking during pregnancy may raise risk for heart defects in babies

Posted: 03 May 2014 05:27 AM PDT

Women who smoke during pregnancy may be putting their newborns at risk for congenital heart defects, and the more they smoke, the higher the risk, according to a new study.

Why gay, lesbian teens binge drink: Stressful experiences, such as victimization and homophobia, linked to heavy episodic drinking

Posted: 03 May 2014 05:27 AM PDT

Higher rates of binge drinking by lesbian and gay adolescents compared to their heterosexual peers may be due to chronic stress caused by difficult social situations, according to a new study.

Discrimination associated with mental health woes in black teens: Racism a common 'toxic stressor'

Posted: 03 May 2014 05:27 AM PDT

The vast majority of African-American and Afro-Caribbean youth face racial discrimination, and these experiences are associated with an increased risk of mental health problems.

Nightmares may signal a child is being bullied

Posted: 03 May 2014 05:27 AM PDT

Many children who are bullied suffer in silence. The trauma can lead to anxiety, depression, psychotic episodes and even suicide. There may be a way to identify victims of bullying before they experience serious mental health problems, according to a new study.

Many infants still not placed on their backs to sleep

Posted: 03 May 2014 05:27 AM PDT

Since 1994, parents have been urged to put their babies to sleep on their backs to reduce the risk of sudden infant death syndrome. It appears many caregivers have not gotten the message, and health care providers have not done enough to educate families.

Supermarket access key ingredient in obesity programs

Posted: 03 May 2014 05:27 AM PDT

Living close to a supermarket appears to be a key factor in the success of interventions to help obese children eat better and improve their weight, according to a new study.

Using substances at school may be cry for help

Posted: 03 May 2014 05:27 AM PDT

When teens are caught drinking or using marijuana at school, a trip to the principal's office may not suffice. These students also should be screened for exposure to trauma, mental health problems and other serious health risks, according to a new study.

Many parents don't follow safe infant sleep practices

Posted: 03 May 2014 05:27 AM PDT

Each year, 4,000 babies die unexpectedly during sleep time from sudden infant death syndrome, accidental suffocation or unknown causes. To keep infants safe, the American Academy of Pediatrics advises caregivers to put babies to sleep on their backs and avoid sharing a bed, among other practices. Many families, however, are not following this advice, according to a new study.

A cup of coffee a day may keep retinal damage away, study shows

Posted: 02 May 2014 06:30 PM PDT

Coffee drinkers, rejoice! Aside from java's energy jolt, food scientists say you may reap another health benefit from a daily cup of joe: prevention of deteriorating eyesight and possible blindness from retinal degeneration due to glaucoma, aging and diabetes.

Reducing just six risk factors could prevent 37 million deaths from chronic diseases over 15 years

Posted: 02 May 2014 05:47 PM PDT

Reducing or curbing just six modifiable risk factors -- tobacco use, harmful alcohol use, salt intake, high blood pressure and blood sugar, and obesity -- to globally-agreed target levels could prevent more than 37 million premature deaths over 15 years, from the four main non-communicable diseases (NCDs): cardiovascular diseases, chronic respiratory disease, cancers, and diabetes, according to new research.

Inbred wolves struggle, moose proliferate at Isle Royale National Park

Posted: 02 May 2014 05:47 PM PDT

Inbreeding is killing off the wolves of Isle Royale National Park, and as a result, the moose are proliferating, threatening the vegetation on the remote Lake Superior island.

Mammography controversy needs greater participation to inform decisions

Posted: 02 May 2014 02:20 PM PDT

Doctors have called for any decision to participate in mammography to be a based on an informed choice and consideration of all factors, rather than just be an automatic process.

Women going through menopause need to be better supported at work

Posted: 02 May 2014 02:20 PM PDT

All women go through the menopause, and most women work, so how does the menopause affect women at work? New results indicate that many women need more managerial support going through the menopause; otherwise their experience could be lost to the workforce.

For the first time, proof of what hormone replacement therapy does to genes involved in breast cancer

Posted: 02 May 2014 02:20 PM PDT

Researchers have measured activity of genes associated with breast cancer in women before and while, they took different types of HRT. They found that an HRT used in the WHI trial had a greater activating effect on these genes than a "natural" formulation applied via an estrogen gel applied to the skin in combination with oral progesterone. This shows that varying the HRT and the way it is taken can have very significant effects on the genes associated with breast cancer.

Join new Yardmap project to create bird habitat

Posted: 02 May 2014 10:01 AM PDT

The backyard is far more than a place to install a pool, hold a barbecue, or toss a Frisbee. The sum of all North American yards and neighborhood green spaces equals major habitat for birds and other wildlife. Creating larger, connected patches of bird-friendly habitat is one goal of the new YardMap citizen-science project. The project has undergone extensive testing by 10,000 users who created more than 6,700 maps. YardMap is ready for everyone and is now inviting new participants to join.

The science of extraterrestrial olympics, Brad Pitt's punches and breaking bad gore

Posted: 02 May 2014 05:14 AM PDT

Students have applied sophisticated scientific principles to pop culture scenarios – with intriguing results.

Nature’s chemical diversity reflected in Swedish lakes

Posted: 02 May 2014 05:13 AM PDT

It's not only the biology of lakes that varies with the climate and other environmental factors, it's also their chemistry. More knowledge about this is needed to understand the ecology of lakes and their role in the carbon cycle and the climate.

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