Shuttle Mission's "Neurolab" To Study Nervous System
...mostcomplex and least understood part of the human body -- the nervous system--which faces major challenges in space. Gravity sensing systems have the same basic structure in allvertebrates, whether fish or humans. The gravity-detecting organ is lined withsensory cells that send signals to the b...Adults Need To Increase Intake Of Folate; Some Women Should Take More
...use hypotension, or low blood pressure, and afishy body odor in some people. Because the committee was unable to identify studies conducted on the adverseeffects of taking large doses of many of the B vitamins, it did not set upperlimits for thiamin, riboflavin, vitamin B12, pantothenic acid, and biotin....Learning About Evolution Critical For Understanding Science
...cience, theories are explanations based on a large body of established facts. The debate about evolution in the scientific community is focused on the details of how evolution occurs, not whether it occurs, the publication says. Nearly all scientists agree that biological evolution is the most sound the...Retinoic Acid Used In Cancer Treatment
...s retinoic acid, a product of vitamin A, which the body manufactures from carotenes, the compounds found in a wide assortment of yellow-orange vegetables and fruits, from carrots and sweet potatoes to pumpkins and apricots. Retinoic acid reverses the growth-promoting effects of oncogenes, the muta...Possible Trigger For Heart Failure Identified In Lab Animal Studies
...American HeartAssociation. Released by the body to help heal injured tissue, tumor necrosis factoralpha (TNF), can initiate an "inflammatory cascade," or immune reaction, thatmay turn against the heart and weaken it, resulting in congestive heart failure,according to scientists at the University o...Purdue Finding May Snuff Out The Sniffles
...hting white blood cells in place in regions of the body that have been injured or damaged. But somehow, a resourceful family of viruses known as rhinoviruses has developed a back-door way to use this receptor to enter human cells. The Purdue study shows that the rhinovirus bypasses the structure that ICAM...First Evidence That Localized Arthritis Gene Therapy Heals Distant Diseased Joints
...ene and find thatarthritic joints elsewhere in the body respond to this therapy," said SteveGhivizzani, Ph... by white blood cells, which travel throughout the body to sites that include diseased joints. "This suggests a way that the IL-1 receptor and TNF" r...Obscure Enzyme May Play Major Role In Heart Disease
...dercertain conditions, the oxidative stress in the body is so great that itoutpaces the activity of the antioxidants. Thus, the combination of preventingLDL oxidation by antioxidants with the breakdown of oxidized lipids byparaoxonase, may be important in reducing oxidative stress and the resultingatheros...From The Home Front To The River Front, USGS Updates Water-Quality Information
...lets that people eat. Concentrations in the whole body of fish and the edible portions (fillets) are not directly comparable. Nevertheless, the levels for total chlordane, total DDT, or total PCBs that must be exceeded in the edible portion before consumption advisories are issued were not exceeded in th...Agriculture and urban activities impact water quality in the South Platte River Basin
...l-pr; mapping-pr; products-pr; lecture-pr. In the body of the message say subscribe (name of listserver)(your name). Example: subscript water-pr joe smith....Researchers Identify Protein Critical To Urine Concentration
... critical for preventing severe dehydration of the body during times of water deprivation. The finding, w... of Biological Chemistry (Feb. 20). Normally, the body produces an unconcentrated urine. However, during times of water deprivation, it must conserve wate...Fruits And Vegetables Protect Lungs
...t their analyses, when controlled for gender, age, body fat, race, income and cigarette smoking, provide powerful evidence "that antioxidant nutrients play a role in maintaining lung function in adults and suggest that the effects of the antioxidant component differ according to smoking status." In the Ch...Antioxidants May Reduce Harmful Complications Of Diabetes
...Center researchers have foundthat the depletion of body chemicals called antioxidants may increase the ris...processof turning food into energy. Normally, the body produces enough antioxidants ofits own to keep the reactive oxygen from causing damage. "W...Jefferson Scientists Link Some Cases Of Scleroderma To Damage From Lingering Fetal Cells
...lly protective immune system reacts against the body in abnormal ways. In scleroderma, the immune system interacts with the body’s blood vessels and fibroblasts, cells that help make collagen, resulting in an excess of collagen. No one understands how, but these events lead to the hall...Naturally Produced Enzyme May Be Useful In Inflammatory Arthritis
...may be a more logical solution. “If the body is unable to manufacture enough NEP to control theinflammatory effects of these peptides, it may be possible to stimulatesynovial cells to make more of their own NEP,” Ward said. He and hiscolleagues suggest that gene therapy may be used to ins......n, a protein that acts like a "solder" to give the body its structure and shape. A new explanation of the ... require seemingly too much order. Raines said the body would have to immobilize about 500 water molecules for every triple helix of collagen. Using synthet......presence oflanguage abilities from such symbols as body ornamentation and deliberate burialpractices, as well as evidence of such collective action as hunting or thedesign of habitation sites. The Duke findings also disagree with those of scientists who measuredthe base of the Neanderthal skull in......preventexcessive water loss from the inside of the body to the outside air -- at birth. This barrier is formed by the outermost layers of the skin, the multilayeredstratum corneum (SC), which consists of dead cells surrounded by sheets of fat. The SC is made by the epidermis, a layer of skin just beneath ......d the medial nucleus of the trapezoid body can be monitored simultaneously. This technique provides a key to record and compare the electrical properties of the presynaptic calcium channels, and thus it became possible to address the question whether R-type channels ...