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17 April 2014 12:48 pm ,
Vol. 344 ,
Officials last week revealed that the U.S. contribution to ITER could cost $3.9 billion by 2034—roughly four times the...
An experimental hepatitis B drug that looked safe in animal trials tragically killed five of 15 patients in 1993. Now,...
Using the two high-quality genomes that exist for Neandertals and Denisovans, researchers find clues to gene activity...
A new report from the Intergovernmental Panel on Climate Change (IPCC) concludes that humanity has done little to slow...
Astronomers have discovered an Earth-sized planet in the habitable zone of a red dwarf—a star cooler than the sun—500...
Three years ago, Jennifer Francis of Rutgers University proposed that a warming Arctic was altering the behavior of the...
- 17 April 2014 12:48 pm , Vol. 344 , #6181
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ScienceShot: Why Men Dominate Happy Hour
20 December 2013 2:45 pm
Men and women don’t respond the same way to stress, at least when it comes to hitting the bottle. In a new study, researchers turned their laboratory into a bar where undergraduates could drink beer or wine at leisure. They asked half the students to perform a stressful task, crossing out the letter “e” in a series of texts that were subject to increasingly complex rules and required a lot of self-control. The other half performed the simplest version of the crossing-out-letter task, where they just had to cross out any instances of “e” they saw in the texts. Men drank four times more alcohol than the women did after performing the stressful task, the team reports on 11 December in Addiction. What’s more, the stressed-out women drank even less alcohol than the women who performed the easy task. The scientists believe that blood glucose provides the necessary energy to maintain self-control under stress, but once the stressed-out men’s glucose resources depleted, they could no longer maintain their self-control and drank more. As for the women, the team posits that they are naturally less tempted by alcohol than men, making their attitude toward alcohol a built-in drinking deterrent. All is not lost for stressed-out men, however. The scientists found that if the male volunteers kept track of how many drinks they drank, they more than halved their alcoholic intake.