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Improvements in fuel cell designImprovements in fuel cell design

Rediscovering Venus to find faraway earths

Archaeologists discover bronze remains of Iron Age chariot

Researchers resolve the Karakoram glacier anomaly, a cold case of climate science

Fish tale: New study evaluates antibiotic content in farm-raised fishFish tale: New study evaluates antibiotic content in farm-raised fish

New 3-D display technology promises greater energy efficiencyNew 3-D display technology promises greater energy efficiency

Researchers break nano barrier to engineer the first protein microfiberResearchers break nano barrier to engineer the first protein microfiber

Magnetic mirrors enable new technologies by reflecting light in uncanny ways

Structure of an iron-transport protein revealedStructure of an iron-transport protein revealed

First step: From human cells to tissue-engineered esophagusFirst step: From human cells to tissue-engineered esophagus

Lift weights, improve your memory

Spiders: Survival of the fittest group

Autophagy helps fast track stem cell activationAutophagy helps fast track stem cell activation

Myelin vital for learning new practical skillsMyelin vital for learning new practical skills

More physical activity improved school performanceMore physical activity improved school performance

Around the world in 400,000 years: The journey of the red foxAround the world in 400,000 years: The journey of the red fox

Engineering new vehicle powertrainsEngineering new vehicle powertrains

Active aging is much more than exerciseActive aging is much more than exercise

Study: New device can slow, reverse heart failureStudy: New device can slow, reverse heart failure

Are the world's religions ready for ET?Are the world's religions ready for ET?

Recreating the stripe patterns found in animals by engineering synthetic gene networksRecreating the stripe patterns found in animals by engineering synthetic gene networks

Laying the groundwork for data-driven scienceLaying the groundwork for data-driven science

Hold on, tiger momHold on, tiger mom

Nature's designs inspire research into new light-based technologiesNature's designs inspire research into new light-based technologies

Missing piece found to help solve concussion puzzleMissing piece found to help solve concussion puzzle

Biologists delay the aging process by 'remote control'Biologists delay the aging process by 'remote control'

Geography matters: Model predicts how local 'shocks' influence U.S. economyGeography matters: Model predicts how local 'shocks' influence U.S. economy

Identified for the first time what kind of explosive has been used after the detonationIdentified for the first time what kind of explosive has been used after the detonation

Copied from nature: Detecting software errors via genetic algorithmsCopied from nature: Detecting software errors via genetic algorithms

Body Weekly - December 2011 Archives

Does caffeine enhance exercise performance? The debate continues (12/31/2011)

Does caffeine enhance exercise performance? The debate continuesCaffeine is regarded by some as being a potent stimulant, but the debate continues as to whether it enhances exercise performance. A range of expert opinions capture the scope of this ongoing debate in an informative roundtable discussion published in Journal of Caffeine Research, a quarterly peer-reviewed journal from Mary Ann Liebert Inc. ...> Full Article

The mystery behind the building of muscle (12/30/2011)

Cell fusion, the union of precursor cells to form one large cell containing many nuclei, is crucial to the development and maintenance of several tissues; for example, the placenta, bone-reshaping osteoclasts and skeletal muscle. Little is known about the cell and molecular biology of the process in vertebrates. This research describes two vertebrate-specific cell surface receptors that are essential for fusion between muscle precursors in zebrafish: Jamb and Jamc. Loss-of-function of either of these proteins prevents fusion. ...> Full Article

A novel mechanism regulating stress is identified (12/29/2011)

A new study from Tufts researchers reports that the action of neurosteroids on a specific type of receptor is responsible for the physiological response to stress. Further, stress-induced anxiety-like behaviors in mice can be prevented by blocking the synthesis of these neurosteroids. ...> Full Article

Get ready for spring - hay fever worse in spring than summer (12/29/2011)

Hay fever is caused by an allergy to pollen, and most commonly to grass pollen. However new research published in BioMed Central's open access journal Clinical and Translational Allergy shows that, regardless of medication and other allergies, for the same grass pollen levels, hay fever symptoms are worse in the first half of the season than later on. ...> Full Article

How skin is wired for touch (12/29/2011)

Compared to our other senses, scientists don't know much about how our skin is wired for the sensation of touch. Now, research reported in the Dec. 23 issue of the journal Cell, a Cell Press publication, provides the first picture of how specialized neurons feel light touches, like a brush of movement or a vibration, are organized in hairy skin. ...> Full Article

Acupuncture reduces protein linked to stress in first of its kind animal study (12/28/2011)

Acupuncture significantly reduces levels of a protein in rats linked to chronic stress, researchers have found. They say their animal study may help explain the sense of well-being that many people receive from this ancient Chinese therapy. ...> Full Article

Do you hear what I hear? Noise exposure surrounds us (12/28/2011)

Nine out of 10 city dwellers may have enough harmful noise exposure to risk hearing loss, and most of that exposure comes from leisure activities. ...> Full Article

Alcohol can lead to unsafe sex: It's official (12/28/2011)

A new study has found that alcohol consumption directly impacts a person's intention to have unsafe sex. ...> Full Article

Planting improves heart rate, stress levels of mentally challenged adults (12/27/2011)

A study examined how horticultural activities affect stress relief for patients who are mentally challenged. Two experiments conducted at a rehabilitation center and a residential home in South Korea measured heart rate variation and cortisol levels of mentally challenged adults. The researcher concluded that indoor horticultural activities have an effect on the subjects' stress relief. Participation in planting activities resulted in the greatest positive influence on subjects' autonomic nervous system responses. ...> Full Article

Nanometer-scale growth of cone cells tracked in living human eye (12/27/2011)

Vision scientists at Indiana University in Bloomington have come up with a novel way to make the measurements in a living human retina by using information hidden within a commonly used technique called optical coherence tomography. They discuss their results in the Optical Society's open-access journal Biomedical Optics Express. ...> Full Article

Intermittent, low-carbohydrate diets more successful than standard dieting (12/26/2011)

An intermittent, low-carbohydrate diet was superior to a standard, daily calorie-restricted diet for reducing weight and lowering blood levels of insulin, a cancer-promoting hormone, according to recent findings. ...> Full Article

Exercising harder -- and shorter -- can help Type 2 diabetes (12/25/2011)

Exercising harder, but for a shorter period, may have significant benefits for some with Type 2 diabetes. The study appears in the Journal of Applied Physiology. ...> Full Article

Extra weight loss from dietary fibers extracted from seaweed (12/24/2011)

A new research project conducted at the Faculty of Life Sciences, University of Copenhagen, shows that dietary fibers from brown algae boost the sensation of satiety, thereby making people eat less and lose more weight. Previous studies have shown that a fiber-rich diet makes it easier to maintain weight, and now a new Ph.D. project documents that dietary fibers from brown algae, the so-called alginates, are excellent at creating an 'artificial feeling of fullness' in the stomach. ...> Full Article

A 'fantastic voyage' through the body -- with precision control (12/23/2011)

A 'fantastic voyage' through the body -- with precision controlDr. Gabor Kosa of Tel Aviv University has devised a method to guide endoscopic "capsules" on a more precise course through the small intestine to detect difficult-to-diagnose tumors or wounds, or allow for biopsies or drug delivery. The ability to manipulate the capsule, he says, will not only lead to better diagnosis capabilities, but a less invasive and quicker procedure as well. ...> Full Article

Breakthrough in regulating fat metabolism (12/23/2011)

Scientists at Warwick Medical School have made an important discovery about the mechanism controlling the body's 'fat switch', shedding new light on our understanding of how proteins regulate appetite control and insulin secretion. ...> Full Article

New advance announced in reducing 'bad' cholesterol (12/22/2011)

New advance announced in reducing 'bad' cholesterolScientists from the University of Leicester and the University of California Los Angeles (UCLA) have announced a major advance towards developing drugs to tackle dangerous, or 'bad', cholesterol in the body. ...> Full Article

Tart cherry juice drinkers gain sleep advantage (12/21/2011)

Americans seeking a better night's sleep may need to look no further than tart cherry juice, according to a new study in the European Journal of Nutrition. An international team of researchers found that when adults had two daily glasses of tart cherry juice, they slept 39 minutes longer, on average, and had up to six percent increase in overall sleep efficiency. ...> Full Article

New Research Demonstrates Lean Beef is Good for Heart Health (12/21/2011)

A new study published in the January 2012 edition of American Journal of Clinical Nutrition shows that beef can play a role in a cholesterol-lowering diet, despite commonly held beliefs. The study found that diets including lean beef every day are as effective in lowering total and LDL "bad" cholesterol as the "gold standard" of heart-healthy diets. ...> Full Article

Lying and sitting more comfortably (12/20/2011)

Lying and sitting more comfortablyPeople who have to sit at work often have back pain. People permanently confined to bed are even worse off -- they frequently develop bed sores. New smart cushioning is intended to eliminate the discomforts of lying and sitting. An integrated sensor system equalizes pressure selectively. ...> Full Article

Extreme cold good for exercise recovery (12/20/2011)

A study published in the Dec. 7 issue of the online journal PLoS ONE reports that runners benefit more from whole-body cryotherapy, in which the study participants was exposed to temperatures as cold as -166 F, than from exposure to far-infrared radiation or no treatment. ...> Full Article

Immunity against the cold (12/19/2011)

Immunity against the coldThroughout the interior spaces of humans and other warm-blooded creatures is a special type of tissue known as brown fat, which may hold the secret to diets and weight-loss programs of the future. ...> Full Article

Soy is on top as a high-quality plant protein (12/19/2011)

The importance of protein in the human body is undeniable. However, the idea of what makes a protein a "quality protein" has not been as easy to determine. A new study from the Journal of Agriculture and Food Chemistry takes a closer look at the criteria for determining the quality of a protein. ...> Full Article

With mutation, you can have your cream and eat it, too (12/18/2011)

People who carry a malfunctioning copy of a particular gene are especially good at clearing fat from their systems. The report in the December Cell Metabolism, a Cell Press publication, shows how the mutant gene influences metabolism in this way. ...> Full Article

Fatty livers are in overdrive (12/17/2011)

A new study of human patients in the December Cell Metabolism shows that fatty livers actually burn more fat, not less. All that "hard work" may be at the root of the organ damage that comes with nonalcoholic fatty liver disease, a condition associated with insulin resistance that affects about one in three in the US population. The findings represent a paradigm shift in the connection between metabolism and fatty liver disease, as it was previously thought that fatty livers burned less fat. ...> Full Article

Old recipe making a come back (12/16/2011)

Humans ate sourdough bread in ancient times and it's remained a traditional part of the diets in some countries and regions. Now Baltic scientists have reinvented this centuries-old technique for the needs of the food industry during a three-year long EUREKA project. ...> Full Article

How muscle fatigue originates in the head (12/15/2011)

How muscle fatigue originates in the headResearchers from the University of Zurich have now studied in detail what sportsmen and women know from experience: The head plays a key role in tiring endurance performances. They have discovered a mechanism in the brain that triggers a reduction in muscle performance during tiring activities and ensures that one's own physiological limits are not exceeded. For the first time, the study demonstrates empirically that muscle fatigue and changes in the interaction between neuronal structures are linked. ...> Full Article

Vegetables, fruits, grains reduce stroke risk in women (12/14/2011)

Swedish women who ate an antioxidant-rich diet had fewer strokes especially if they had no history of cardiovascular disease. The findings persisted even after statistics were adjusted for other risk factors such as smoking and physical activity. Women with the highest level of antioxidants in their diet consumed about half their antioxidants from fruits and vegetables. ...> Full Article

Super athletic mice are fit because their muscles burn more sugar (12/13/2011)

Super athletic mice are fit because their muscles burn more sugarResearchers at Sanford-Burnham Medical Research Institute have unraveled a mechanism that re-programs metabolic genes in muscles in a way that increases their capacity to use sugar. When activated in mice, this metabolic re-programming dramatically improves exercise performance. These findings, published Dec. 1 in Genes & Development, reveal new targets that could be explored to increase the ability of muscles to burn sugars -- possibly leading to new prevention or treatment methods for obesity and diabetes. ...> Full Article

Green tea flavonoid may prevent reinfection with hepatitis C virus following liver transplantation (12/12/2011)

German researchers have determined that epigallocatechin-3-gallate (EGCG) -- a flavonoid found in green tea -- inhibits the hepatitis C virus from entering liver cells. Study findings available in the December issue of Hepatology, a journal published by Wiley-Blackwell on behalf of the American Association for the Study of Liver Diseases, suggest that EGCG may offer an antiviral strategy to prevent HCV reinfection following liver transplantation. ...> Full Article

'Just chill?' Relaxing can make you fatter (12/11/2011)

'Just chill?' Relaxing can make you fatterProfessor Amit Gefen of Tel Aviv University has discovered that preadipocyte cells -- the precursors to fat cells -- turn into fat cells even faster and produce even more fat when subject to prolonged periods of "mechanical stretching loads" -- the kind of weight we put on our body tissues when we sit or lie down. ...> Full Article

Short walk cuts chocolate consumption in half (12/11/2011)

A 15-minute walk can cut snacking on chocolate at work by half, according to research by the University of Exeter. The study showed that, even in stressful situations, workers eat only half as much chocolate as they normally would after this short burst of physical activity. ...> Full Article

Growth hormone increases bone formation in obese women (12/10/2011)

In a new study, growth hormone replacement for six months was found to increase bone formation in abdominally obese women. ...> Full Article

Scientists discover anti-inflammatory polyphenols in apple peels (12/8/2011)

Here's another reason why "an apple a day keeps the doctor away." New research in the Journal of Leukocyte Biology shows oral ingestion of apple polyphenols suppresses T cell activation to prevent colitis in mice. This study is the first demonstrating a role for T cells in polyphenol-mediated protection against autoimmune disease possibly leading to treatments for people with disorders from bowel inflammation, such as ulcerative colitis, Crohn's disease and colitis-associated colorectal cancer. ...> Full Article

Dieters should eat foods rich in protein, mostly from dairy, to protect bones during weight loss (12/7/2011)

New research suggests that a calorie-restricted diet higher in protein -- mostly from dairy foods -- and lower in carbohydrates coupled with daily exercise has a major positive impact on bone health in overweight and obese young women. ...> Full Article

Public restrooms ripe with bacteria, study says (12/6/2011)

Everyone wonders what bugs might be lurking in public bathrooms. Now researchers are using novel genetic sequencing methods to answer this question, revealing a plethora of bacteria all around, from the doors and the floors to the faucet handles and toilet seats, with potential public health implications, as reported Nov. 23 in the online journal PLoS ONE. ...> Full Article

Scientists uncover new role for gene in maintaining steady weight (12/5/2011)

Scientists uncover new role for gene in maintaining steady weightAgainst the backdrop of the growing epidemic of obesity in the United States, scientists from the Florida campus of the Scripps Research Institute have made an important new discovery regarding a specific gene that plays an important role in keeping a steady balance between our food intake and energy expenditure. The study may help scientists better understand the keys to fighting obesity and related disorders such as diabetes. ...> Full Article

Study calls sodium intake guidelines into question (12/4/2011)

For years doctors have warned that too much salt is bad for your heart. Now a new McMaster University study suggests that both high and low levels of salt intake may put people with heart disease or diabetes at increased risk of cardiovascular complications. ...> Full Article

Chew gum, lose weight (12/3/2011)

In a groundbreaking new study, Syracuse University Robert Doyle's team demonstrated, for the first time, that a critical hormone that helps people feel "full" after eating can be delivered into the bloodstream orally. ...> Full Article

New research on body parts' sensitivity to environmental changes (12/2/2011)

New research on body parts' sensitivity to environmental changesResearch by a team of Michigan State University scientists has shed new light on why some body parts are more sensitive to environmental change than others, work that could someday lead to better ways of treating a variety of diseases, including type 2 diabetes. ...> Full Article

Mid-morning snacking may sabotage weight-loss efforts (12/2/2011)

Women dieters who grab a snack between breakfast and lunch lose less weight compared to those who abstain from a mid-morning snack, according to a study led by researchers at Fred Hutchinson Cancer Research Center. ...> Full Article

Hefty impact of poor eating habits (12/1/2011)

"The risk of being obese or overweight is directly related to bad eating habits such as skipping meals, eating away from home, high consumption of fast and processed foods, as well as low consumption of fruit and vegetables," says first author Sunday Azagba, a Ph.D. candidate in the Concordia Department of Economics. ...> Full Article

New Articles
Do caffeine's effects differ with or without sugar?Do caffeine's effects differ with or without sugar?

New study reveals Montmorency tart cherry juice accelerated recovery after intense cyclingNew study reveals Montmorency tart cherry juice accelerated recovery after intense cycling

Female sexual arousal: Facilitating pleasure and reproduction

Fat cells reprogrammed to increase fat burningFat cells reprogrammed to increase fat burning

Is that Ginkgo biloba supplement really what you think it is?

Body's cold 'sensor' could hold key for frostbite and hypothermia treatments

Controlling obesity with potato extract

Toxic fruits hold the key to reproductive successToxic fruits hold the key to reproductive success

New therapy holds promise for restoring visionNew therapy holds promise for restoring vision

Macrophages chase neutrophils away from wounds to resolve inflammationMacrophages chase neutrophils away from wounds to resolve inflammation

Don't worry, be happy; just go to bed earlier

Don't worry, be happy: Just go to bed earlier

3-D compass in the brain

NIH-funded study is decoding blue light's mysterious ability to alter body's natural clockNIH-funded study is decoding blue light's mysterious ability to alter body's natural clock

Vitamin supplement successfully prevents noise-induced hearing loss

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