The blood-brain barrier -- the filter that governs what can and cannot come into contact with the mammalian brain -- is a marvel of nature. It effectively separates circulating blood from the fluid that bathes the brain, ...
Jun 24, 2012
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When most groups of mammalian cells are faced with a shortage of nutrients or oxygen, the phrase "every man for himself" is more apt than "all for one, one for all." Unlike colonies of bacteria, which often cooperate to thrive ...
Jun 11, 2012
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Depressive symptoms that occur in both midlife and late life are associated with an increased risk of developing vascular dementia, while symptoms that occur in late life only are more likely to be early signs of Alzheimer's ...
May 7, 2012
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With every meal, immune cells in the intestine stand like sentries at a citadel, turning away harmful bacteria but allowing vitamins and nutrients to pass.
Mar 14, 2012
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New research has found that elderly people with higher levels of several vitamins and omega 3 fatty acids in their blood had better performance on mental acuity tests and less of the brain shrinkage typical of Alzheimer's ...
Dec 28, 2011
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(Medical Xpress) -- Zinc is an essential nutrient, but until now, there has not been an effective way to measure it in our bodies, say University of Florida researchers.
Dec 16, 2011
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Scientists have discovered a new way to target cancer through manipulating a master switch responsible for cancer cell growth.
Dec 12, 2011
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Cancer cells usually live in an environment with limited supplies of the nutrients they need to proliferate — most notably, oxygen and glucose. However, they are still able to divide uncontrollably, producing new cancer ...
Nov 21, 2011
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(Medical Xpress) -- A new study has found that protein and not sugar activates the cells responsible for keeping us awake and burning calories. The research, published in the 17 November issue of the scientific journal Neuron, ...
Nov 16, 2011
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It has long been known that cancer cells use nutrients differently than normal cells. In recent years, the rapidly reemerging field of cancer metabolism has shed new light on the ways that cancers use glucose to grow and ...
Nov 3, 2011
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