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Wrong Harris Lieberman?

Dr. Harris R. Lieberman

Research Psychologist

U.S. Army Corps of Engineers

Direct Phone: (508) ***-****       

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U.S. Army Corps of Engineers

Background Information

Employment History

Research Scientist

M.I.T. One



Web References (76 Total References)

Here's why: Even slight dehydration can ... [cached]

Here's why: Even slight dehydration can mess with your brain and body in some significant ways, says Dr. Harris Lieberman, a research psychologist with the U.S. Army. Lieberman has looked into the ways dehydration can affect mood and cognitive function. "We found modest dehydration caused people's moods to deteriorate," he says. "People also felt more fatigued, and headaches were more common. Also, cognitive performance suffers when you're parched, especially among men. "Stuff like short-term memory, or the ability to pay attention to something for more than a minute or two, tended to drop off," Lieberman says. Water is so vital to your health that when you're short on it, your brain seems to have problems attending to other matters. "Dehydration creates warning signals that the brain translates as a problem-and one you need to take care of promptly," Lieberman says.

Four to 8 hours without water ... [cached]

Four to 8 hours without water can cause mild dehydration according to Harris Lieberman, Ph.D., a scientist with the U.S. Army who has studied the effects of this type of dehydration on the brains of men and women.

Here's what his research found: Dehydrated people can experience a significant drop-off in energy and mood. Basically, they felt tired and lousy about life, Lieberman says. "The brain is extremely sensitive to even small changes in the amounts of ions like sodium and potassium found in your body's fluids," he explains. While he can't pinpoint exactly why your brain flips out when it becomes dehydrated, he says the mood and energy changes may be some sort of built-in alarm system, there to let you know you need water.

Harris Lieberman, study ... [cached]

Harris Lieberman, study co-author and research psychologist with the Military Nutrition Division of the U.S. Army Research Institute in Natick, explained that "Even mild dehydration that can occur during the course of our ordinary daily activities can degrade how we are feeling, especially for women, who appear to be more susceptible to the adverse effects of low levels of dehydration than men.

Power Nap Kit | About | Sleep Facts [cached]

" Their performance was actually worse than if they were legally drunk," said Dr. Harris Lieberman of the US Army Research Institute.

Health benefits of Cloudforest organic coffee [cached]

As long as you don't have high blood pressure, heart arrhythmia, or anxiety, drinking caffeinated beverages for years is no problem, says Harris Lieberman, Ph.D., a research psychologist for the U.S. Army Research Institute of Environmental Medicine.

When given caffeine equal to two cups of coffee, severely sleep-deprived Navy Seal trainees improved their alertness, vigilance, learning, and memory by as much as 60 percent, according to Dr. Lieberman, who administered the test.

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