ScienceDaily: Living Well News

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• BPA substitute could spell trouble: Experiments show bisphenol S also disrupts hormone activity
• Brain protein called vimentin can indicate damage to the hippocampus following binge drinking
• The ability to 'hold one's liquor' indicates risk of developing alcohol problems
• Reviewing alcohol's effects on normal sleep
• Lower drinking ages can have an impact on later drinking patterns
• People seek high-calorie foods in tough times
• In the land of the free, interdependence undermines Americans' motivation to act
• From dark hearts comes the kindness of humankind
• New study examines on/off relationships and 'sex with an ex' among teenagers and young adults
• Forget about fair: It's better when bosses pick favorites
• Obese much more likely to die in car crashes than normal weight drivers, U.S. study finds

BPA substitute could spell trouble: Experiments show bisphenol S also disrupts hormone activity Posted: 22 Jan 2013 04:14 PM PST Researchers found that like BPA, BPS disrupts cellular responses to the hormone estrogen, changing patterns of cell growth and death and hormone release. Also like BPA, it does so at extremely low levels of exposure.

Brain protein called vimentin can indicate damage to the hippocampus following binge drinking Posted: 22 Jan 2013 01:22 PM PST Binge drinking is known to increase the risk of developing dementia and/or brain damage. A new study used rodents to test markers of neurodegeneration to determine a threshold for brain damage. The vimentin brain protein can indicate damage to the hippocampus after 24 hours of binge-like drinking.

The ability to 'hold one's liquor' indicates risk of developing alcohol problems Posted: 22 Jan 2013 01:22 PM PST The ability to "hold one's liquor" is a known risk factor for alcohol use disorders. New findings suggest a low subjective response (SR) to alcohol is associated with fewer acute negative consequences in a heavy drinking sample. Study authors speculate that a low SR may protect against problems in the short term, but likely becomes a risk factor for longer-term problems as tolerance to alcohol develops.

Reviewing alcohol's effects on normal sleep Posted: 22 Jan 2013 01:22 PM PST Sleep cycles between two states: rapid eye movement (REM) and non-rapid eye movement sleep. A review of all studies involving normal volunteers has clarified that alcohol shortens the time it takes to fall asleep, increases deep sleep, and reduces REM sleep.

Lower drinking ages can have an impact on later drinking patterns Posted: 22 Jan 2013 01:22 PM PST Lower minimum legal drinking age (MLDA) laws have been associated with short-term effects such as more traffic fatalities and teen suicides. A new study has investigated the long-term and persistent effects of permissive MLDA laws. Findings support an association with problematic drinking behaviors that persist into later adulthood, such as more frequent binge episodes.

People seek high-calorie foods in tough times Posted: 22 Jan 2013 11:32 AM PST Bad news about the economy could cause you to pack on the pounds, according to a new study. The study shows that when there is a perception of tough times, people tend to seek higher-calorie foods that will keep them satisfied longer.

In the land of the free, interdependence undermines Americans' motivation to act Posted: 22 Jan 2013 11:32 AM PST Public campaigns that call upon people to think and act interdependently may undermine motivation for many Americans, according to new research.

From dark hearts comes the kindness of humankind Posted: 22 Jan 2013 11:31 AM PST The kindness of humankind most likely developed from our more sinister and self-serving tendencies, according to research that suggests society's rules against selfishness are rooted in the very exploitation they condemn.

New study examines on/off relationships and 'sex with an ex' among teenagers and young adults Posted: 22 Jan 2013 09:24 AM PST A new study finds that nearly half of older teenagers and young adults break up and get back together with previous dating partners and over half of this group have sex as part of the reconciliation process.

Forget about fair: It's better when bosses pick favorites Posted: 22 Jan 2013 08:17 AM PST A new study shows that bosses should pick favorites if they want top performing teams.

Obese much more likely to die in car crashes than normal weight drivers, U.S. study finds Posted: 21 Jan 2013 04:20 PM PST Obese drivers are significantly more likely to die in a road traffic collision than people of normal weight, according to a new U.S. study.

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