“People who are moderate coffee drinkers can be reassured that they are not doing harm because of their coffee drinking,” said Arthur Klatsky, the study’s lead investigator and a cardiologist at Kaiser’s Division of Research.
These “surprising” data are to be presented at the AHA meeting March 5th. (You’ll have to wait until then to get the REAL scoop, it seems.)
But a quick Google search on Dr. Klatsky’s earlier studies using the same questionaire database shows the problems with using questionaire data to make such sweeping conclusions. Take, for instance, these findings from 1973: Read more »
*This blog post was originally published at Dr. Wes*
When I began work on this month’s project, I contacted a clinician, a case manager, and a scientist to get their perspectives on how we’re making progress fighting HIV and AIDS. I’ve introduced you to the clinician and the case manager, but not the scientist.
Dave Wessner doesn’t actually study AIDS, but he’s written a textbook supplement on HIV and AIDS and teaches a course at Davidson College on the subject. His students have even set up a blog discussing the history and science of HIV and AIDS. He also regularly lectures on the topic. I’ll be attending one of his talks tonight. Read more »
When I first heard that a retrovirus had been identified as a possible cause of chronic fatigue syndrome, I withheld judgment and awaited further developments. When I heard that two subsequent studies had failed to replicate the findings of the first, I assumed that the first had been a false alarm and would be disregarded. Not so.
It’s a classic case of wishful thinking outweighing good judgment. One unconfirmed report of an association between the XMRV virus and chronic fatigue syndrome (CFS) resulted in a rush to test for the virus, speculation about possible implications, and even suggestions for treatment. And the subsequent negative studies did little or nothing to reverse the trend. Read more »
For decades, research has suggested that people with positive emotions may live longer and healthier lives. An analysis of the autobiographical writings of 180 Catholic nuns found those with the most positive feelings in their early twenties had the greatest chance of being alive sixty years later. Now, the first study of its kind has linked positive emotions to a lower risk of coronary heart disease. Read more »
Scientists from RIKEN Brain Science Institute in Wako, Japan and the Institute of Neurology at University College London have discovered that the brains of macaque monkeys undergo significant development when they are taught how to use tools. This finding may imply that our advanced human brains got as big and powerful as they did thanks to using tools, rather than the other way around.
The researchers used a technique called voxel-based morphometry (VBM) to classify areas of brain tissue in their MRI images as grey matter, white matter, or cerebro-spinal fluid, and to compare the volume of each tissue at different stages of learning. Read more »
*This blog post was originally published at Medgadget*
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From RIKEN Research:
