ScienceDaily: Living Well News

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• Breastfeeding duration appears associated with intelligence later in life
• Human cells respond in healthy, unhealthy ways to different kinds of happiness
• Hot flashes? Thank evolution
• Make it yourself with a 3-D printer and save big time
• Heavy cell phone use linked to oxidative stress
• Diets lacking omega-3s lead to anxiety, hyperactivity in teens: Generational omega-3 deficiencies have worsening effects over time
• Intent to harm: Willful acts seem more damaging
• Living longer, living healthier: People are remaining healthier later in life
• Young cannabis-smokers aware of the health risks

Breastfeeding duration appears associated with intelligence later in life Posted: 29 Jul 2013 08:16 PM PDT Breastfeeding longer is associated with better receptive language at 3 years of age and verbal and nonverbal intelligence at age 7 years, according to a new study.

Human cells respond in healthy, unhealthy ways to different kinds of happiness Posted: 29 Jul 2013 01:19 PM PDT Human bodies recognize at the molecular level that not all happiness is created equal, responding in ways that can help or hinder physical health, according to new research.

Hot flashes? Thank evolution Posted: 29 Jul 2013 01:19 PM PDT A study of mortality and fertility patterns among seven species of wild apes and monkeys and their relatives, compared with similar data from hunter-gatherer humans, shows that menopause sets humans apart from other primates.

Make it yourself with a 3-D printer and save big time Posted: 29 Jul 2013 11:46 AM PDT A new study shows that families can save hundreds if not thousands of dollars by making their own household items with a 3-D printer.

Heavy cell phone use linked to oxidative stress Posted: 29 Jul 2013 10:35 AM PDT A new study finds a strong link between heavy cell phone users and higher oxidative stress to all aspects of a human cell, including DNA. Uniquely based on examinations of the saliva of cell phone users, the research provides evidence of a connection between cell phone use and cancer risk.

Diets lacking omega-3s lead to anxiety, hyperactivity in teens: Generational omega-3 deficiencies have worsening effects over time Posted: 29 Jul 2013 10:35 AM PDT Diets lacking omega-3 fatty acids -- found in foods like wild fish, some eggs, and grass-fed livestock -- can have worsened effects over consecutive generations, especially affecting teens, according to a new study.

Intent to harm: Willful acts seem more damaging Posted: 29 Jul 2013 05:33 AM PDT How harmful we perceive an act to be depends on whether we see the act as intentional, reveals new research.

Living longer, living healthier: People are remaining healthier later in life Posted: 29 Jul 2013 05:33 AM PDT Based on data collected between 1991 and 2009 from almost 90,000 individuals who responded to the Medicare Current Beneficiary Survey, scientists say that, even as life expectancy has increased over the past two decades, people have become increasingly healthier later in life.

Young cannabis-smokers aware of the health risks Posted: 29 Jul 2013 05:32 AM PDT 91 percent of on average 20-year-old Swiss men drink alcohol, almost half of whom drink six beverages or more in a row and are thus at-risk consumers. 44 percent of Swiss men smoke tobacco, the majority of whom are at-risk consumers – they smoke at least once a day. 36 percent of young adults smoke cannabis, whereby over half are at-risk consumers, using the drug at least twice a week. Researchers investigated whether these young Swiss men read up on addictive substances such as alcohol, tobacco, cannabis or other drugs and are aware and understand the risks of their consumption by conducting a survey of 12,000 men under a national cohort study as they were recruited for national service.

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