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In study of low-income toddlers, spanking found to have negative effects

A new longitudinal study that looks at how low-income parents discipline their young children has found that spanking 1-year-olds leads to more aggressive behaviors and less sophisticated cognitive development in the next two years. Verbal punishment is not associated with such effects, especially when it is accompanied by emotional support from moms.

Parental physical discipline through childhood linked to behavior problems in teens

Two new studies explore how discipline changes during childhood and adolescence, and what family factors affect those changes. They conclude that when parents use physical discipline through childhood, their children experience more behavior problems in adolescence.

When nano may not be nano

DURHAM, N.C. -- The same properties of nanoparticles that make them so appealing to manufacturers may also have negative effects on the environment and human health.

However, little is known which particles may be harmful. Part of the problem is determining exactly what a nanoparticle is.

Common mental disorders may be more common than we think

DURHAM, N.C. -- The prevalence of anxiety, depression and substance dependency may be twice as high as the mental health community has been led to believe.

It depends on how one goes about measuring.

TCT 2009 to address electronic health records

SAN FRANCISCO, CA -- SEPTEMBER 10, 2009 -- In addition to breaking news and new research data from clinical trials, investigations and registries, TCT (Transcatheter Cardiovascular Therapeutics) 2009, the largest global medical and scientific symposium dedicated to interventional cardiovascular medicine, will feature an important discussion led by national experts on Electronic Health Records

Discovery leads to rapid mouse 'personalized trials' in breast cancer

DURHAM, N.C. -- One person's breast cancer is not the same as another person's, because the gene mutations differ in each tumor. That makes it difficult to match the best therapy with the individual patient.

Monkey brains signal the desire to explore

DURHAM, N.C. -- Sticking with what you know often comes at the price of learning about more favorable alternatives.

Managing this trade-off is easy for many, but not for those with conditions such as Alzheimer's disease or obsessive-compulsive disorder who are trapped in simple routines.

Resident duty-hour reform associated with increased complication rate

Rosemont, Ill. -- A new study finds a 2003 reform of the length of resident on-duty hours has led to an increase in the rate of perioperative (the span of all three phases of surgery: before, during and after) complications for patients treated for hip fractures. Among other restrictions, this reform limited the resident workweek to 80 hours.

Progress made in traumatic brain injury treatment and diagnosis

KANSAS CITY, MO -- September 1, 2009 -- New research on traumatic brain injury (TBI) is being presented this week at the Military Health Research Forum (MHRF), a scientific meeting hosted by the Department of Defense (DOD) Congressionally Directed Medical Research Programs (CDMRP). Service men and women are particularly susceptible to TBI given the nature of combat.

Scientists from University of Hawaii at Manoa find genetic marker

A new genetic marker associated with ovarian cancer risk was recently discovered by an international research group, led by scientists from the Cancer Research Genetic Epidemiology Unit in the United Kingdom. Drs.

Collagen-deficient mice show signs of osteoarthritis

Osteoarthritis (OA) and degenerative disc disease (DDD) are common, chronic musculoskeletal disorders. Both diseases cause joint pain, loss of function, and decreased quality of life for the more than 27 million OA and 59 million DDD suffers in the US. According to a 2003 Medical Expenditure Panel Survey, arthritis such as OA costs the U.S.

Conflict of interest disclosures in clinical trials need to be clearer

DURHAM, N.C. -- When enrolling patients in a clinical trial, researchers should disclose relevant financial relationships that might affect a patient's decision about participation, such as owning stock in the company that funds the study, or having a patent on the device being tested.

Disclosing financial conflicts of interest to research participants may not be enough

Disclosure of financial conflicts of interests to potential participants in research is important, but may have a limited role in managing these conflicts, according to a new study by Johns Hopkins, Duke and Wake Forest.

Evolution of the appendix: A biological 'remnant' no more

DURHAM, N.C. -- The lowly appendix, long-regarded as a useless evolutionary artifact, won newfound respect two years ago when researchers at Duke University Medical Center proposed that it actually serves a critical function. The appendix, they said, is a safe haven where good bacteria could hang out until they were needed to repopulate the gut after a nasty case of diarrhea, for example.

Renewable energies will benefit US workers

Expansion of renewable energies should appreciably improve the health status of the 700,000 US workers employed in the energy sector, according to a commentary by Medical College of Wisconsin researchers, in Milwaukee.



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