ScienceDaily: Living Well News

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• The special scent of age: Body odor gives away age
• Female choice key to evolutionary shift to modern family
• Marriage may make people happier
• Eat healthy -- your kids are watching
• Despite less play, children's use of imagination increases over two decades
• A trained palate: Understanding complexities of taste, smell could lead to improved diet
• Genes predict if medication can help you quit smoking
• People know when to move from task to task
• Freecycling has viral effect on community spirit and generosity
• Exercise and a healthy diet of fruits and vegetables extends life expectancy in women in their 70s
• Less couch time equals fewer cookies

The special scent of age: Body odor gives away age Posted: 30 May 2012 02:24 PM PDT Humans can identify the age of other humans based on differences in body odor. Much of this ability is based on the capacity to identify odors of elderly individuals, and contrary to popular supposition, the so-called "old-person smell" is rated as less intense and less unpleasant than body odors of middle-aged and young individuals.

Female choice key to evolutionary shift to modern family Posted: 30 May 2012 02:20 PM PDT How females chose their mates played a critical role in human evolution by leading to monogamous relationships, which laid the foundation for the institution of the modern family.

Marriage may make people happier Posted: 30 May 2012 12:23 PM PDT Married people may be happier in the long run than those who aren't married, according to new research.

Eat healthy -- your kids are watching Posted: 30 May 2012 12:23 PM PDT If lower-income mothers want kids with healthy diets, it's best to adopt healthy eating habits themselves and encourage their children to eat good foods rather than use force, rewards or punishments, says a new study.

Despite less play, children's use of imagination increases over two decades Posted: 30 May 2012 10:37 AM PDT Children today may be busier than ever, but psychologists have found that their imagination hasn't suffered -- in fact, it appears to have increased.

A trained palate: Understanding complexities of taste, smell could lead to improved diet Posted: 30 May 2012 10:37 AM PDT Researchers have made some fundamental discoveries about how people taste, smell and detect flavor, and why they love some foods much more than others. The findings could lead to the Holy Grail of nutrition -- helping people learn to really like vegetables.

Genes predict if medication can help you quit smoking Posted: 30 May 2012 08:58 AM PDT A new study shows the same gene variations that make it difficult to stop smoking also increase the likelihood that heavy smokers will respond to nicotine-replacement therapy and drugs that thwart cravings. The finding suggests it may one day be possible to predict which patients are most likely to benefit from drug treatments for nicotine addiction.

People know when to move from task to task Posted: 30 May 2012 07:40 AM PDT People make decisions all the time and previous studies suggest that while we are good at making low-level perceptual choices, we're not so good when it comes decisions that require higher-level analysis. A new study provides evidence that people are better at decision-making than previously thought, showing that people are good at balancing the time they spend on various tasks, regardless of whether they are high-level or low-level tasks.

Freecycling has viral effect on community spirit and generosity Posted: 30 May 2012 07:07 AM PDT Reinforcing that the best things in life are free, a new study shows that online freebie-exchange communities such as "Freecycle" and "Couchsurfing" foster greater team spirit among their members than do cash-for-goods websites.

Exercise and a healthy diet of fruits and vegetables extends life expectancy in women in their 70s Posted: 30 May 2012 07:05 AM PDT Women in their seventies who exercise and eat healthy amounts of fruits and vegetables have a longer life expectancy, according to new research.

Less couch time equals fewer cookies Posted: 28 May 2012 02:56 PM PDT Simply changing one bad health habit has a domino effect on others, a new study reports. It's a two-for-one benefit because many behaviors are closely related, like noshing in front of the TV. The most effective way to rehab a delinquent lifestyle requires two key behavior changes: cutting time spent in front of a TV or computer screen and eating more fruits vegetables. The simplified strategy is less overwhelming for people and their doctors.

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