Image Credit: Brock University
No matter how hard men try, they may not be able to hide their aggression. A study in male ice-hockey players suggests that to gauge a man’s aggression levels, you just have to look at the proportions of his face.
Cheryl McCormick and Justin Carre from Brock University in Ontario, Canada, found that the larger the width-to-height ratio of a player’s face, the more aggressive they were. Link to Article
Source: NewScientist, Aug 20 2008
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A new study by Canadian researchers finds that programs targeting at-risk kids must tackle a constellation of issues in order to be effective.
“To really improve adolescent health, programs should seek to reduce risk taking, improve social capital and improve levels of affluence,” said study co-author Owen Gallupe, although he acknowledges that this is a tall order. [continue reading…]
Previous studies have shown that women experience more severe postoperative pain and require more narcotics than men in the early postoperative period. A study featured in the September issue of Anesthesiology investigates women’s pain perception and relief after Caesarean section and the impact of genetics on these outcomes. [continue reading…]
Findings may help explain how sleep-deprived people stay alertÂ
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Just one night without sleep can increase the amount of the chemical dopamine in the human brain, according to new imaging research in the August 20 issue of The Journal of Neuroscience. Because drugs that increase dopamine, like amphetamines, promote wakefulness, the findings offer a potential mechanism explaining how the brain helps people stay awake despite the urge to sleep. However, the study also shows that the increase in dopamine cannot compensate for the cognitive deficits caused by sleep deprivation.
