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Latest Nicholas A. Christakis Stories

Friends Found To Be Genetically More Similar Than Strangers
2014-07-15 11:59:03

Brett Smith for redOrbit.com - Your Universe Online If you’ve ever thought of your circle of friends as a second family, you may be on to something as a new study has found that on a population-wide level friends are more closely related to each other than strangers. Published in the in the Proceedings of the National Academy of Sciences, the study indicated that friends who are not biologically related, may be similar to each other genetically. "Looking across the whole genome,"...

2013-10-29 16:05:29

Centuries of economic theory have been based on one simple premise: when given a choice between two items, people make the rational decision and select the one they value more. But as with many simple premises, this one has a flaw in that it is demonstrably untrue. The fields of psychology and behavioral economics have experimentally identified a laundry list of common biases that cause people to act against their own apparent interests. One of these biases — the mere fact of possessing...

2012-07-18 01:32:38

Building a case for utilizing organic shared patient networks A new way of mapping how physicians share patients provides opportunities for improving the quality of medical care and organizing the nature of care delivery, according to researchers from Beth Israel Deaconess Medical Center and Harvard Medical School. In a study published in the July 18 edition of the Journal of the American Medical Association, researchers suggest this new way of systematically looking at how physicians...

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2012-01-26 10:05:48

Who´d have thought Facebook was popular in an ancient Tanzania culture? Well it wasn´t, but the people of the Hadza group exhibited many of the “friending” habits familiar to today´s Facebook users, suggesting that social networking patterns were set early in the history of our species. While ancient humans didn´t have the luxury of updating their social status, social networks were indeed an essential part of their livelihood, say authors of a new study,...

2011-11-14 23:35:08

Study finds social networks promote cooperation, discourage selfishness It turns out nice guys can finish first, and David Rand has the evidence to prove it. Rand, a post-doctoral fellow in Harvard's Department of Psychology and a Lecturer in Human Evolutionary Biology, is the lead author of a new paper, which found that dynamic, complex social networks encourage their members to be friendlier and more cooperative, with the possible payoff coming in an expanded social sphere, while...

Some Cartoons Damage Kids' Concentration And Self-Control
2011-09-12 08:33:13

  A new study, published by the journal Pediatrics today found that watching "fast-paced, fantastical" cartoon programming can be a detriment to the attention spans of 4-year-old children, however watching more realistic cartoons does not, MSNBC is reporting. At 4 months of age, US children are already acclimated to regular viewing of daily television, and they watch lots of it, Dr. Dimitri Christakis writes in a commentary accompanying the study. The American Academy of...

2011-01-06 13:58:15

For parents wanting to reduce the negative influence of TV on their children, the first step is normally to switch off the television set. But a new study suggests that might not be enough. It turns out indirect media exposure, i.e., having friends who watch a lot of TV, might be even more damaging to a teenager's body image. Researchers from Harvard Medical School's Department of Global Health and Social Medicine examined the link between media consumption and eating disorders among...

2010-12-09 07:30:00

NEWTON, Mass., Dec. 9, 2010 /PRNewswire/ -- MedNetworks, Inc., the leading developer of social network analytics and technology in health, today announced the formation of a scientific advisory board. The mission of the board is to advance MedNetworks' applications of social network technology to key areas in health care, including population wellness, innovation among physicians and health care institutions, and health in corporations. The chairman of the advisory board is also...


Word of the Day
barratry
  • The offense of persistently instigating lawsuits, typically groundless ones.
  • An unlawful breach of duty on the part of a ship's master or crew resulting in injury to the ship's owner.
  • Sale or purchase of positions in church or state.
This word ultimately comes from the Old French word 'barater,' to cheat.
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