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   Hydration levels play role in cardiovascular disease risk    
      
   Posted in: Medical Science News | Medical Research News | Medical Condition   
   News    
      
   Published on March 3, 2016 at 6:40 AM    
      
   Mild dehydration can impair vascular function nearly as much as smoking a   
   cigarette, according to a new study in the European Journal of Nutrition.    
      
   This study indicates that hydration levels - even mild dehydration in healthy,   
   young males - play a role in the risk of cardiovascular disease.    
      
   Stavros Kavouras, associate professor and coordinator of the Exercise Science   
   Program at the University of Arkansas, led the international team that   
   published the study.    
      
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   "You could be mildly dehydrated without knowing it while you have endothelial   
   impairment similar to smoking a cigarette," Kavouras said. "The degree of   
   dehydration when these changes occur is at less than 2 percent dehydration,   
   which is around the    
   threshold when people start feeling thirsty."    
      
   Endothelial function is the dilation and constriction of the endothelium, the   
   inner lining of blood vessels. It plays a critical role in cardiovascular   
   health. Atherosclerosis is the loss of flexibility in the blood vessels that   
   leads to hardening of the    
   arteries, a known contributor to cardiovascular disease.    
      
   This study is the first to find a connection between minor dehydration and   
   negative endothelial function with impaired cardiovascular health in humans.    
      
   Kavouras and his team noted that the next step for the research team is to   
   study this effect on patients of both genders with already compromised   
   cardiovascular systems, such as patients of diabetes and/or cardiovascular   
   diseases.    
      
   Source: University of Arkansas    
      
   http://www.news-medical.net/news/20160303/Hydration-levels-play-   
   ole-in-cardiovascular-disease-risk.aspx   
      
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