"Our broad conclusion is that testosterone causes men essentially to be stingy," says Karen Redwine, a neuro-economist at Whittier College in California, who presented the work at the Society for Neuroscience's annual meeting in Chicago last week.Curious research coming from a woman named Redwine. Next she will be claiming that red wine is beneficial.
A previous study of 17 City of London traders found that morning testosterone levels correlated with each day's gains and losses, with more of the hormone associated with a profit. ...
One biological factor could be the dynamics between testosterone and another hormone called oxytocin. Sometimes called the cuddle chemical, oxytocin also influences generosity. In a 2007 study, Zak's team found that oxytocin administration boosted generosity in the same game by 80 per cent.
Redwine notes that testosterone blocks the action of oxytocin in the brain. "It's possible that by creating these alpha males we actually inhibited oxytocin," she says.
My testosterone has recovered since it took a hit after the last election:
Men who voted for Republican John McCain in last year's US presidential election saw their testosterone levels fall significantly when they learned he had lost to Barack Obama, a study showed Thursday.My guess is that a lot more of those Obama supporters are eating tofu.
Saliva samples collected from 163 men on the evening of the election showed that voters for both McCain and Obama had similar testosterone levels when polling stations closed on the east coast, but the levels in McCain backers fell when Obama was announced as the winner.
By contrast, testosterone levels among men who voted for Obama remained stable.
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