Neuroscience
Study Cautions Runners to Limit Their Water Intake
The New York Times
By GINA KOLATA
Published: April 14, 2005
After years of telling athletes to drink as much liquid as possible to avoid dehydration, some doctors are now saying that drinking too much during intense exercise poses a far greater health risk.
An increasing number of athletes - marathon runners, triathletes and even hikers in the Grand Canyon - are severely diluting their blood by drinking too much water or too many sports drinks, with some falling gravely ill and even dying, the doctors say.
New research on runners in the Boston Marathon, published today in The New England Journal of Medicine, confirms the problem and shows how serious it is.
The research involved 488 runners in the 2002 marathon. The runners gave blood samples before and after the race. While most were fine, 13 percent of them - or 62 - drank so much that they had hyponatremia, or abnormally low blood sodium levels. Three had levels so low that they were in danger of dying.
[ ... Read the full article ... ]
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Neuroscience
Hyponatremia
Study Cautions Runners to Limit Their Water Intake
The New York Times
By GINA KOLATA
Published: April 14, 2005
After years of telling athletes to drink as much liquid as possible to avoid dehydration, some doctors are now saying that drinking too much during intense exercise poses a far greater health risk.
An increasing number of athletes - marathon runners, triathletes and even hikers in the Grand Canyon - are severely diluting their blood by drinking too much water or too many sports drinks, with some falling gravely ill and even dying, the doctors say.
New research on runners in the Boston Marathon, published today in The New England Journal of Medicine, confirms the problem and shows how serious it is.
The research involved 488 runners in the 2002 marathon. The runners gave blood samples before and after the race. While most were fine, 13 percent of them - or 62 - drank so much that they had hyponatremia, or abnormally low blood sodium levels. Three had levels so low that they were in danger of dying.
[ ... Read the full article ... ]
- What Do Long-distance Runners Think About?
Marathon runners are on the road for hours at a time, what on earth goes through their minds all that time? Past investigations have relied on asking runners to remember what they were thinking about, but of course that is an unreliable method. Now Ashley...
- Marathon Runners Forget How Painful It Was
Image: Flickr/GregThe sense of accomplishment from running a marathon is hugely uplifting. But let's not romanticise it, there's also a lot of pain involved. Despite this, many people pull on their running shoes time and again. A new study helps...
- I Just Finished The Boston Marathon! (but I Can't Remember Your Name)
Third place finisher Ryan Hall at the 2009 Boston Marathon. Photo courtesy of Martin Checkoway. Running a 26.2 mile marathon is an exhausting endeavor for anyone, from the top Ethiopian and Kenyan runners to the astounding 75 year old Jim Schleisman...
- Alzheimer's Disease: Rethinking Things?
A very readable piece from Gina Kolata of the New York Times: Doubt on Tactic in Alzheimer’s Battle By GINA KOLATA The New York Times Published: August 18, 2010 "The failure of a promising Alzheimer’s drug highlights the gap between diagnosis and...
- About A New Colleague
Headline in the UConn Advance: "Teenagers exposed to alcohol ads drink more" The study was published in the Jan 3 issue of the Archives of Pediatric and Adolescent Medicine, by Leslie Snyder, professor of communication sciences and director of the UConn...