Green tea extract boosts exercise endurance 8-24%, utilizing fat as energy source
...of EGCG appear weak compared with those of GTE, we cannot rule out a possible contribution from other components of GTE. Although long-term intake of GTE enhanced endurance capacity, no marked effects were observed after a single dose of GTE, suggesting that some biochemical changes induced by habitual GTE ...Beer-drinking rats count calories better than many people, UF researchers say
...alcohol abuse. "It's difficult to say no." People cannot simply cut food calories while they're drinking without also considering the effect it will have on their sobriety, researchers caution. But it's also important that they consider the effect that drinking has on their waistlines. An estimated 65 per...Rush physicians using gene therapy for heart patients with moderate to severe chest pains
...udy trial must have moderate to severe angina, but cannot also be candidates for treatment using angioplasty or bypass surgery. Angioplasty involves a catheterization with a balloon-like device that opens blocked arteries, while bypass surgery requires open-heart surgery to place veins removed from the pa...Selective predation and productivity jointly drive complex behavior in host-parasite systems
...st population, while in the latter case, parasites cannot persist with their hosts, even if they can invade. When predators less strongly prefer parasitized hosts, these dramatic behaviors diminish, but predators can still trigger large fluctuations of parasite abundance at higher productivity. Surprisingl...McGill researchers shed light on formation of carcinogen in food
...which tends to quickly evaporate. However, when it cannot escape for some reason, for example if it is in sealed cans or jars, then it remains present in the food for some time." While traces of furan and furan-containing products have been found in some processed and cooked products, especially canned and ...Researchers at UT Southwestern discover new function for old enzyme
...n they divide. Without working mitochondria, cells cannot produce energy efficiently. Events that lead to mitochondrial DNA defects are associated with neuromuscular diseases and premature aging disorders in humans. "Mitochondrial DNA was discovered in the 1960s, and we still do not know much about ...The effects of economic growth on interior forests of the Southeast
...and plants that thrive in interior forest habitats cannot live in forest edge habitats. "Maintaining the species diversity of a forest means having suitable proportions of edge and interior habitats," says Kurt Riiters, deputy program manager for the SRS Forest Health Monitoring unit. "As development procee...Report addresses safety problem in preharvest stage of food production
...d, or cooked, pathogens acquired during preharvest cannot always be inactivated," according to Colloquium Co-Chair, Richard E. Isaacson, Ph.D., of the University of Minnesota. Many foods have a higher risk because they are consumed raw, as was the case recently in Pennsylvania where 650 fell ill and 3 died...Bird brains show how trial and error may contribute to learning
...out LMAN, scientists have long known, a young bird cannot learn its song, but an adult bird can sing its song without that region of the brain. A postdoctoral fellow on another project had noticed greater and more variable brain activity when the finches were singing to themselves compared to when they were...JCI Table of Contents, March 1, 2005
...order where leukemic cells accumulate because they cannot die. Clearly CLL is a disease in which there is a dynamic interplay between rates of cell division and cell death. The data could enable physicians to predict disease progression. TITLE: In vivo measurements document the dynamic cellular kinetics ...Scientists disprove two tenets of common leukemia
... which leukemia cells slowly build up because they cannot die, as previously thought....The very unexpected life and death of a leukemic cell
...order where leukemic cells accumulate because they cannot die. Clearly CLL is a disease in which there is a dynamic interplay between rates of cell division and cell death. The data could enable physicians to predict disease progression....Promising anti-TB compound finally can be synthesized with ease
...ich shows promising anti-tuberculosis activity but cannot be efficiently synthesized using conventional chemistry, is being reported by University at Buffalo organic chemists online on Feb. 10 in Angewandte Chemie International Edition. The UB researchers' method synthesizes the compound in days rath...Ingestion of afterbirth appears to promote maternal behavior in mammals
...hers after delivery to influence maternal behavior cannot be addressed at this point. "Parturition in mammals occurs in the context of sensory, neurochemical and endocrinologoical factors orchestrated and timed so that maternal behavior and the object of this behavior, the newborn, 'emerge' almost si...National Academies advisory: Feb. 15 program for African-American History Month
..., 2100 C St., N.W., Washington, D.C. Reporters who cannot attend may listen to a live audio webcast of the event at http://national-academies.org . Details about the program are available at http://nationalacademies.org/aahm/ . Admission is free to the public, but a photo ID is required to enter the buil...Tree-ring data reveals multiyear droughts unlike any in recent memory
...lows being something the model used in the project cannot pinpoint as precisely as it can the years the droughts persisted. The second worst corresponds to the 1930s dry period that, together with poor farming practices, caused the Dust Bowl. The Columbia River Basin experienced multiple years of low flows,...Are IVF embryos starved of a vital ingredient?
... the possibility of long-term health effects still cannot be ruled out. There are certainly differences ear...e components have. "Without a scientific basis you cannot anticipate the effects," he says. "That is the bind we find ourselves in."...Stockpile bird flu vaccine now
...level." Until now the WHO has said that a vaccine cannot be made until a pandemic starts, as only then can ...he genetically engineered viruses required. But it cannot start until the problems with contamination that shut down the company's normal flu vaccine plant at...Mechanical tension helps shape lung development
... hypoplasia, in which the lungs are compressed and cannot develop fully, often due to congenital diaphragmatic hernias, which occur in 1 of 2,500 births. Kourembanas is directing an NIH-funded project on the pathology of lung development, of which Ingber is a part. "Don's work gives us an understanding of ...... that resulting from arthritis and migraine, often cannot be treated satisfactorily. Cyclooxygenase inhibitors are the treatment of choice for these pain forms and work non-specifically by blocking the production of proteins called prostaglandins. Because these drugs are associated with severe side effects...