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Ritualized submission and pseudo-copulation reduce aggression among male crayfish
Pseudo-copulation-an interaction that mimics sexual copulation-is a behavior known in mammalian communities that reduces aggression and signifies social dominance, particularly among males. view more (2006-11-21)
Antidepressants in suicide prevention
Antidepressants are the cornerstone of treatment of depressive disorders in health care. Their efficacy in treating depression is undisputable, although it leaves room for improvement. view more (2008-08-29)
How often will you use that treadmill?
Why not buy that treadmill? You'll be exercising every day, right? A new study in the Journal of Consumer Research examines why our expectations of our behavior so often don't match reality. view more (2008-11-18)
Guns in homes strongly associated with higher rates of suicide
In the first nationally representative study to examine the relationship between survey measures of household firearm ownership and state level rates of suicide in the U.S., researchers at the Harvard School of Public Health (HSPH) found that suicide rates among children, women and men of all ages are higher in states where more households have... view more... (2007-04-11)
Male praying mantids prefer not to be victims of sexual cannibalism
Female praying mantids are notorious for sexual cannibalism - that is, for eating their male partner during mating. view more (2006-07-27)
MU Anthropologist Develops New Approach to Explain Religious Behavior
Without a way to measure religious beliefs, anthropologists have had difficulty studying religion. Now, two anthropologists from the University of Missouri and Arizona State University have developed a new approach to study religion by focusing on verbal communication, an identifiable behavior, instead of speculating about alleged beliefs in the... view more... (2008-09-10)
Making snack food choices
People who are asked whether they would choose between a "good" snack and a "bad" snack might not follow their intentions when the snacks arrive. view more (2008-09-12)
Young adults not at risk of suicidal behavior from antidepressants
Antidepressants lower the risk of suicide attempt in adults with depression, according to a study published in the July issue of the American Journal of Psychiatry. view more (2007-07-09)
UIC researchers link maternal smoking during pregnancy to behavior problems in toddlers
A University of Illinois at Chicago study reveals a link between smoking during pregnancy and very early child behavior problems. view more (2006-07-13)
Status of adolescent peer groups plays role in understanding groups influence on early teen behavior
Children who are part of the cool group are more likely to be influenced by their friends than children who are friends with peers who are kind, nice, and well-liked. view more (2007-07-20)
Study: Lizards bask for more than warmth
Keeping warm isn't the only reason lizards and other cold-blooded critters bask in the sun. According to a study published in the May/June issue of Physiological and Biochemical Zoology, chameleons alter their sunbathing behavior based on their need for vitamin D. view more (2009-04-21)
Elevated testosterone kills nerve cells
A Yale School of Medicine study shows for the first time that a high level of testosterone, such as that caused by the use of steroids to increase muscle mass or for replacement therapy, can lead to a catastrophic loss of brain cells. view more (2006-09-27)
Primate culture is just a stone's throw away from human evolution, study finds
For 30 years, scientists have been studying stone-handling behavior in several troops of Japanese macaques to catch a unique glimpse of primate culture. view more (2009-01-13)
Autoantibodies common in anorexia patients
A large proportion of anorexia and/or bulimia patients have antibodies against the body's own substances that are involved in the brain's control of eating behavior. The results indicate that there is a connection between eating disturbances and both the nervous system and the immune system. The study was based on 57 women, between the ages of 17... view more... (2002-12-12)
Controlling behavior of children with tourette and tic disorders
A program to train parents how to manage the disruptive behavior of children with Tourette syndrome (TS) and tic disorders works well, according to a pilot study conducted by Yale School of Nursing and the Yale Child Study Center. view more (2006-09-27)
Antisocial conduct and decision making about aggressive behavior influence each other in teens
A new study challenges the idea that antisocial behavior is relatively unchangeable during the teenage years. The study, published in the March/April 2008 issue of the journal Child Development, found that decision making and behavior among adolescents are related across time, and that efforts to help may be more effective if they address how... view more... (2008-03-25)
Squirrels Use Snake Scent
California ground squirrels and rock squirrels chew up rattlesnake skin and smear it on their fur to mask their scent from predators, according to a new study by researchers at UC Davis. view more (2007-12-20)
Twins have lower risk of suicide than general population
Twins have a lower risk of suicide compared with the general population, concludes a study in this week’s BMJ. view more (2003-08-12)
Newer antidepressants led to less, not more, teen suicides
A new study by researchers at the University of South Florida and University of Illinois suggests FDA mandated warnings about suicide in teens treated with antidepressants could have the unintended consequence of placing more youth at risk. view more (2007-09-07)
Serious physical illness linked to suicide in later life
Most people who commit suicide late in life suffer from depression, but the role of physical illness is less clear. A study in this week’s BMJ finds that serious physical illness also carries an increased risk of suicide in elderly people. view more (2002-06-05)
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