News tagged with sodium
Salt consumption in India: The need for data to initiate population-based prevention efforts
(Medical Xpress)—International researchers are studying the salt intake of Indian adults to provide vital new data to aid the development of a national salt reduction strategy.
Health
May 21, 2013 |
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Effect of fluid and sodium restrictions on weight loss among patients with heart failure
A clinical trial of 75 patients hospitalized with acute decompensated heart failure (ADHF) suggests that aggressive fluid and sodium restriction has no effect on weight loss or clinical stability at three days but was associated ...
Cardiology
May 20, 2013 |
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ASH: People with hypertension prefer higher salt taste
(HealthDay)—People with hypertension have a taste for more salt in their food than do individuals with normotension, according to a study presented at the annual meeting of the American Society of Hypertension, ...
Health
May 16, 2013 |
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ECO: Distilled water doesn't up resting energy expenditure
(HealthDay)—Drinking 500 ml of purified water is not associated with increases in resting energy expenditure (REE), according to a study presented at the annual meeting of the European Congress on Obesity, ...
Overweight and Obesity
May 14, 2013 |
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Studies support population-based efforts to lower excessive dietary sodium intakes
Recent studies that examine links between sodium consumption and health outcomes support recommendations to lower sodium intake from the very high levels some Americans consume now, but evidence from these studies does not ...
Health
May 14, 2013 |
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Food scientists strive for sodium reduction
In the May issue of Food Technology magazine published by the Institute of Food Technologists (IFT), Associate Editor Karen Nachay writes about how food manufacturers are trying to overcome formulation challenges to dev ...
Health
May 14, 2013 |
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Voluntary reduction has failed as processed and fast food salt levels remain high as ever
The dangerously high salt levels in processed food and fast food remain essentially unchanged, despite numerous calls from public and private health agencies for the food industry to voluntarily reduce sodium ...
Health
May 13, 2013 |
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Investigating devastating childhood diseases just got easier
Induced pluripotent stem cells (iPScs) from the skin of patients with Dravet syndrome (DS) show Dravet-like functional impairment when they are converted into neurons, finds research in BioMed Central's open ...
Medical research
May 01, 2013 |
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Researchers' new diagnostic test can identify each person's optimal salt intake
(Medical Xpress)—Researchers at the University of Virginia School of Medicine have cut through conflicting advice about salt consumption by demonstrating that each person has a "personal salt index," an upper limit on daily ...
Health
May 01, 2013 |
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Prophylactic sodium bicarbonate infusion and acute kidney injury after open heart surgery
Contrary to the positive findings of a previous pilot study, administration of a sodium bicarbonate-based infusion to induce urinary alkalinization during and after surgery does not reduce the incidence of acute kidney injury ...
Cardiology
Apr 16, 2013 |
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Reducing salt and increasing potassium will have major global health benefits
Cutting down on salt and, at the same time, increasing levels of potassium in our diet will have major health and cost benefits across the world, according to studies published in BMJ today.
Health
Apr 04, 2013 |
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New model predicts hospital readmission risk
Hospital readmissions are a costly problem for patients and for the United States health care system with studies showing nearly 20 percent of Medicare patients are readmitted to the hospital within 30 days ...
Health
Mar 25, 2013 |
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Exploring the cause of sudden unexplained death in epilepsy
Dravet syndrome (DS) is a form of infantile-onset, treatment-resistant epilepsy that is caused by a mutation in the gene encoding a voltage-gated sodium channel, SCN1A. DS patients have a 30-fold increased risk of dying from ...
Medical research
Mar 25, 2013 |
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Most pre-packaged meals, snacks for toddlers contain too much salt
Nearly 75 percent of commercial pre-packaged meals and savory snacks for toddlers are high in sodium, according to research presented at the American Heart Association's Epidemiology and Prevention/Nutrition, Physical Activity ...
Health
Mar 21, 2013 |
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Eating too much salt led to 2.3 million heart-related deaths worldwide in 2010
Eating too much salt contributed to 2.3 million deaths from heart attacks, strokes and other heart-related diseases throughout the world in 2010, representing 15 percent of all deaths due to these causes, according to research ...
Cardiology
Mar 21, 2013 |
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Sodium
Sodium (pronounced /ˈsoʊdiəm/) is a metallic element with a symbol Na (from Latin natrium or Arabic natrun) and atomic number 11. It is a soft, silvery-white, highly reactive metal and is a member of the alkali metals within "group 1" (formerly known as ‘group IA’). It has only one stable isotope, 23Na.
Elemental sodium was first isolated by Sir Humphry Davy in 1806 by passing an electric current through molten sodium hydroxide. Elemental sodium does not occur naturally on Earth, but quickly oxidizes in air and is violently reactive with water, so it must be stored in an inert medium, such as a liquid hydrocarbon. The free metal is used for some chemical synthesis and heat transfer applications.
Sodium ion is soluble in water in nearly all of its compounds, and is thus present in great quantities in the Earth's oceans and other stagnant bodies of water. In these bodies it is mostly counterbalanced by the chloride ion, causing evaporated ocean water solids to consist mostly of sodium chloride, or common table salt. Sodium ion is also a component of many minerals.
Sodium is an essential element for all animal life and for some plant species. In animals, sodium ions are used in opposition to potassium ions, to allow the organism to build up an electrostatic charge on cell membranes, and thus allow transmission of nerve impulses when the charge is allowed to dissipate by a moving wave of voltage change. Sodium is thus classified as a “dietary inorganic macro-mineral” for animals. Sodium's relative rarity on land is due to its solubility in water, thus causing it to be leached into bodies of long-standing water by rainfall. Such is its relatively large requirement in animals, in contrast to its relative scarcity in many inland soils, that herbivorous land animals have developed a special taste receptor for sodium ion.
For more information about Sodium, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
