Post List

  • October 5, 2009
  • 02:29 PM
  • 1,228 views

Self-care or medical care for low back pain: what patients want

by Bronwyn Thompson in Healthskills: Skills for Healthy Living


For a while I’ve been asking what constitutes ’self management’ for chronic pain. On the one hand there are a group of people who firmly believe that regular medical treatment (including injections every three months or so) is a perfectly legitimate way to maintain a normal life. On the other hand there are people [...]... Read more »

  • October 5, 2009
  • 12:30 PM
  • 1,557 views

Once You Start Trusting a Source, Beware the Trust Trap

by David DiSalvo in Neuronarrative

If you follow a news commentator closely, reading everything he or she writes in whatever venue it appears, you may unknowingly be in a trust trap. Studies have shown that once we invest trust in a particular source of knowledge, we’re less likely to scrutinize information from that source in the future.

Now a new study in the journal Applied Psychological Science has taken this investigation a step further, showing that the trust trap can also result in the creation of false memories........ Read more »

Zhu, B., Chen, C., F. Loftus, E., Lin, C., & Dong, Q. (2009) Treat and trick: A new way to increase false memory. Applied Cognitive Psychology. DOI: 10.1002/acp.1637  

  • October 5, 2009
  • 11:15 AM
  • 898 views

Psychosocial changes in overweight youth attending weight loss camp

by Travis Saunders, MSc in Obesity Panacea

Two weeks ago I wrote a post on the psychosocial problems that are often encountered by overweight and obese youth. Today, I would like to discuss a new paper in the same issue of the International Journal of Pediatric Obesity which examines psychosocial changes in overweight youth following attendance at a weight loss camp.

The study was performed by Dr Nicole Quinlan and colleagues at Duke University, and followed 130 overweight and obese youth who spent their summer at a weight loss camp ........ Read more »

Quinlan, N., Kolotkin, R., Fuemmeler, B., & Costanzo, P. (2009) Psychosocial outcomes in a weight loss camp for overweight youth. International Journal of Pediatric Obesity, 4(3), 134-142. DOI: 10.1080/17477160802613372  

  • October 5, 2009
  • 11:09 AM
  • 1,205 views

To all you knuckle crackers ...

by TomJoe in (It's a ...) Micro World (... after all)

... you can sleep easier tonight. Knuckle cracking does not lead to arthritis. So why would I bother to blog about this today? For one simple reason. After a 50 year, single participant study, results have demonstrated that habitual knuckle cracking does not lead to arthritis. This research has advanced the field so much that it was given a 2009 Ig Nobel award. The original research (see citation below) was published in 1998. A link directly to the Letter to the Editor of the journal Arthritis a........ Read more »

  • October 5, 2009
  • 11:00 AM
  • 835 views

Aberranone - an Unusual Gorgonian Molecule

by Steve W in Bridgehead Carbons

ResearchBlogging.org
The Caribbean Sea Whip, or Gorgonian, has been the source of a myriad of unusual natural products. The latest example being Aberrarone, which has a unique carbon skeleton, not observed before.... Read more »

Rodríguez, I., Rodríguez, A., & Zhao, H. (2009) Aberrarone: A Gorgonian-Derived Diterpene from . The Journal of Organic Chemistry, 74(19), 7581-7584. DOI: 10.1021/jo901578r  

  • October 5, 2009
  • 10:38 AM
  • 1,105 views

All for One, and One for All!

by Moselio Schaechter in Small Things Considered

By Mark Martin

When I recently attended the Sixth International Symbiosis Society Congress in Madison, Wisconsin, I was awed by the fascinating forms that symbiotic relationships take among diverse organisms. One talk that particularly intrigued me was from the laboratory of Marilyn Roossinck LINK 1 of the Samuel Roberts Nobel Foundation in Oklahoma, which described the mutualistic relationship between a virus, an endophytic fungus, a monocot, and elevated temperatures in geothermal soils. It........ Read more »

  • October 5, 2009
  • 10:20 AM
  • 1,434 views

Autism rates in the USA: Thoughts on the new prevalence numbers

by Nestor Lopez-Duran PhD in Child-Psych

I should start this new post by explaining why I’ve been mostly absent for the last month. September was an interesting and challenging month. I could say it was a perfect storm, combining the start of the academic year, preparing a new graduate seminar I had never taught before, transitioning into my new role as [...]... Read more »

Michael D. Kogan, PhD,a Stephen J. Blumberg,, PhD,b Laura A. Schieve, PhD,c Coleen A. Boyle, PhD,c, James M. Perrin, MD,, Reem M. Ghandour, DrPH,, Gopal K. Singh, PhD,, Bonnie B. Strickland, PhD,, Edwin Trevathan, MD, MPH,, & Peter C. van Dyck, MD, MPH. (2009) Prevalence of Parent-Reported Diagnosis of Autism Spectrum Disorder Among Children in the US, 2007. Pediatrics, 124(4). info:/10.1542/peds.2009-1522

  • October 5, 2009
  • 10:00 AM
  • 1,001 views

Arachidonic acid and cognitive function in the elderly

by Colby in nutsci.org


Arachidonic acid.  The very word makes most nutritionists cringe.  Many of us are taught to avoid it like the plague.  Americans have developed an egg-phobia because of it (the misinterpretations of egg research will be reviewed in a later post).   How can something that biochemically competes with our beloved omega 3s be good for [...]... Read more »

  • October 5, 2009
  • 09:19 AM
  • 957 views

The Bench Presser's Shoulder

by Dr. Wayne Button in Sport Injuries and Wellness

Only study of its kind to look at how to diagnose and treat this fairly uncommon sports injury... Read more »

Borstad, J., & Ludewig, P. (2006) Comparison of three stretches for the pectoralis minor muscle. Journal of Shoulder and Elbow Surgery, 15(3), 324-330. DOI: 10.1016/j.jse.2005.08.011  

Hurri, H., & Karppinen, J. (2004) Discogenic pain. Pain, 112(3), 225-228. DOI: 10.1016/j.pain.2004.08.016  

Ebinger, N., Magosch, P., Lichtenberg, S., & Habermeyer, P. (2008) A New SLAP Test: The Supine Flexion Resistance Test. Arthroscopy: The Journal of Arthroscopic , 24(5), 500-505. DOI: 10.1016/j.arthro.2007.11.017  

KIM, S., HA, K., AHN, J., KIM, S., & CHOI, H. (2001) Biceps load test II: A clinical test for SLAP lesions of the shoulder. Arthroscopy: The Journal of Arthroscopic , 17(2), 160-164. DOI: 10.1053/jars.2001.20665  

  • October 5, 2009
  • 08:31 AM
  • 1,470 views

Tuberculosis, not cancer, killed Dr Granville's mummy

by Ed Yong in Not Exactly Rocket Science

Around 2600 years ago in Egypt, a woman called Irtyersenu died. She was mummified and buried at the necropolis at Thebes, where she remained for over two millennia before being unearthed in 1819. Her well-preserved body was brought to the British Museum where it was examined by the physician and obstetrician Augustus Bozzi Granville. It was the first ever medical autopsy of an Egyptian mummy and Granville presented his results to the Royal Society in 1825. His conclusion: Ityersenu died of ovari........ Read more »

  • October 5, 2009
  • 08:00 AM
  • 738 views

Evolution back and forth, from snakes to molecules

by Zen Faulkes in NeuroDojo

“Progress” and “evolution” are inextricably linked in many people’s minds. Evolution is always moving forward. From molecules to cells to invertebrates to vertebrates; from fish to reptiles to mammals to us. There’s a lot wrong with those ideas, but the underlying question is worth asking: Can organisms go back the way they came?

Louis Dollo thought not. He suggested that once a feature was lost in a lineage, it could never be regained. Enough people agreed with this suggestion th........ Read more »

  • October 5, 2009
  • 07:06 AM
  • 1,251 views

In the News this month: first results from a panoramic survey of the Andromeda galaxy

by Megan in Rigel

Edwin Hubble's original classification of galaxies into various types based on their visible shapes and structures has been a feature of extra-galactic astronomy since the 1920s. The scheme, originally thought to depict an evolutionary sequence, has two major groups: spiral galaxies with a small central bulge, spiral arms and possibly a central bar, and elliptical galaxies that are more spherical in structure with no spiral arms or disk. There are however, many galaxies which do not fit into thi........ Read more »

McConnachie, A., Irwin, M., Ibata, R., Dubinski, J., Widrow, L., Martin, N., Côté, P., Dotter, A., Navarro, J., Ferguson, A.... (2009) The remnants of galaxy formation from a panoramic survey of the region around M31. Nature, 461(7260), 66-69. DOI: 10.1038/nature08327  

  • October 5, 2009
  • 06:50 AM
  • 759 views

In the News this month: discovery of water on the Moon

by Megan in Rigel

It is thought that the Moon was formed about four and a half billion years ago by the collision of a Mars-sized object with the Earth. The heat from the impact and subsequent accretion of material created a magma ocean which would have caused the loss of most of the volatile materials from the surface, so-called because they have low boiling points and evaporate easily. In a press conference at NASA on Thursday 24th September, results were announced from three separate spacecraft showing eviden........ Read more »

  • October 5, 2009
  • 06:37 AM
  • 1,118 views

Transportation Hazards

by Jan Husdal in husdal.com

This is an updated and extended review of  the Handbook of Transportation Engineering by Myer Kutz (editor) which I have reviewed in a previous post 4 years ago:  Book Review: The Handbook of Tranportation Engineering. While rummaging through references for a journal article I came across an old copy of the chapter on Transportation Engineering [ ... ]... Read more »

Kaplan, S., & Garrick, B. (1981) On The Quantitative Definition of Risk. Risk Analysis, 1(1), 11-27. DOI: 10.1111/j.1539-6924.1981.tb01350.x  

  • October 5, 2009
  • 06:21 AM
  • 680 views

In the News this month: first evidence of a solid exoplanet

by Megan in Rigel

Using various techniques, astronomers have, over the last decade, discovered many hundreds of planets outside our own solar system. Most of these techniques are indirect because planets are much fainter than the stars they orbit, and so are very hard to detect directly. Because their effects are easier to spot, larger planets are easier to find, but smaller and smaller planets are being discovered as techniques and technology improve. One of the smallest exoplanets known to date is CoRoT-7b, a p........ Read more »

Queloz, D., Bouchy, F., Moutou, C., Hatzes, A., Hebrard, G., Alonso, R., Auvergne, M., Baglin, A., Barbieri, M., Barge, P.... (2009) The CoRoT-7 planetary system: two orbiting super-Earths. Astronomy and Astrophysics. DOI: 10.1051/0004-6361/200913096  

  • October 5, 2009
  • 05:20 AM
  • 2,618 views

Sunday Protist - Euglyphids

by Psi Wavefunction in Skeptic Wonder

I'm going to be lazy and leech off the Mystery Micrograph again. None of you saner people (non-protistgeeks) seem to have taken advantage of the massive handicap, and subsequent hint. Seriously, type in "testate amoebae" in Google image search, and it's on the first page! Perhaps I should do a tutorial on some methods of attacking those mystery images...Quite shockingly(not!), Opisthokont got the last one. I agree with his statement that that was like shooting fish in a barrel, but easier since ........ Read more »

Javaux EJ. (2007) The early eukaryotic fossil record. Advances in experimental medicine and biology, 1-19. PMID: 17977455  

KEELING, P., & ARCHIBALD, J. (2008) Organelle Evolution: What's in a Name?. Current Biology, 18(8). DOI: 10.1016/j.cub.2008.02.065  

Yoon, H., Reyes-Prieto, A., Melkonian, M., & Bhattacharya, D. (2006) Minimal plastid genome evolution in the Paulinella endosymbiont. Current Biology, 16(17). DOI: 10.1016/j.cub.2006.08.018  

  • October 5, 2009
  • 04:21 AM
  • 1,152 views

Anchiornis

by Daniel in Ego sum Daniel

Who wouldn't be completely smitten with this lovely little critter!The latest issue of Nature has published the description of what is billed as the oldest feathered dinosaur, Anchiornis huxleyi. It's adorable! Read more here and here. It's not surprising anymore to find dinosaurs with feathers, as a matter of fact there are several small toy models of feathered dinosaurs on my desk right now looking up at me so they've started to find their way into popular culture. What makes Anchiornis so str........ Read more »

  • October 4, 2009
  • 08:30 PM
  • 624 views

Identifying Pigments for Preserving Artwork

by Michael Long in Phased

Richard Van Duyne (Northwestern University, Illinois) and coworkers have utilized surface-enhanced Raman spectroscopy towards characterizing dyes in artwork, for the purposes of artist identification and preservation. This news feature was written on October 4, 2009.... Read more »

Brosseau, C. L, Rayner, K. S., Casadio, F., Grzywacz, C. M., & Van Duyne, R. P. (2009) Surface-Enhanced Raman Spectroscopy: A Direct Method to Identify Colorants in Various Artist Media. Analytical Chemistry, 81(17), 7443-7447. DOI: 10.1021/ac901219m  

  • October 4, 2009
  • 04:44 PM
  • 1,264 views

Carry a gun = you get shot more often

by Greg Laden in Greg Laden's Blog

In a first-of its-kind study, epidemiologists at the University of Pennsylvania School of Medicine found that, on average, guns did not protect those who possessed them from being shot in an assault. The study estimated that people with a gun were 4.5 times more likely to be shot in an assault than those not possessing a gun.
source
Read the rest of this post... | Read the comments on this post...... Read more »

Branas, C., Richmond, T., Culhane, D., Ten Have, T., & Wiebe, D. (2009) Investigating the Link Between Gun Possession and Gun Assault. American Journal of Public Health. DOI: 10.2105/AJPH.2008.143099  

  • October 4, 2009
  • 03:48 AM
  • 1,695 views

Sex Determination in Sea Monsters

by Lucas in thoughtomics


Just to clarify this post’s title: I have not taken up an extremely dangerous but exciting new hobby. The sea monsters from the title have been extinct for a long time. But that doesn’t stop scientists from figuring out how sexual characteristics developed in these Jurassic reptiles.
In humans and in other mammals, the X and Y chromosomes are responsible [...]... Read more »

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