Tag: "diet" at biology news
Gene regulation, not just genes, is what sets humans apart
...mps and other primates those involving brains and diet
gene regulation, the complex cross-talk that gove...t sorts of sugars and complex carbohydrates in its diet
lies in the regulatory sequences, Wray said. Chimps are fruit-eaters, for the most part, and woul...
Scientists show that mitochondrial DNA variants are linked to risk factors for type 2 diabetes
...e 2 diabetes is caused by external factors such as diet
and exercise, and is influenced by several genes. While most of the genes known to be involved in diabetes susceptibility are located in the nuclear genome, a recent study estimated that more than 20% of type 2 diabetes cases may involve mutations i...
Acute sleep deprivation leads to changes in nighttime urine production for men and women
...-patient studies under standardized conditions for diet
and fluid intake. Participants were sleep deprived during one of the two sessions in a randomized sequence. Their blood pressure and heart rate were recorded every hour using a non-invasive blood pressure monitor. Electrolytes, osmolarity, creatine a...
Female gender provides an advantage in renal diseases
...ristics of male and female kidney size, along with diet
and the presence of hypertension, have all been thought to play a part. Sex hormones (estrogen, testosterone) have also thought to contribute to the differences, as hormones may influence the body's responses to renal injury. Estrogen especially may ...
Grapes, soy and kudzu blunt some menopausal side effects
...eted rats, the removal of soy polyphenols from the diet
results in a large increase in arterial pressure, putting the animal at a much greater risk of stroke and other cardiovascular complications. The precise mechanism by which soy interacts with the blood to affect hypertension is not yet known. Stud...
Taking a supplement of glycine helps prevent degenerative diseases such as arthrosis or osteoporosis
...tudied the effect of the glycine supplement on the diet
of a group of 600 volunteers affected by different... due to the lack of glycine, since supplementing a diet
with this amino acid leads to a notable improvement in symptomology without the need to take pain-ki...
Why nectar-feeding bats need a 'power drink' to fly
...st metabolic costs among mammals, and mostly eat a diet
low in fat and protein but rich in sugars. Metabolising these sugars immediately they are consumed saves the costs of converting them to and from storage. In a second experiment, Voigt and Speakman measured how fast the bats used their meagre fat s...
COX-2 inhibitors delay pancreatic cancer precursors in mice
...two groups one set received a nimesulide-enriched diet
for 10 months; the other was offered only regular ... chow. Their analyses revealed that the nimesulide diet
greatly reduced the number of late-stage PanINs in KrasG12D (10 percent of pancreatic ducts had PanI...
Chickens dieting to help Delaware waterways
...the nation's top poultry producers--have been on a diet
to reduce their impact on the environment and impr...vestock, particularly poultry and swine, are fed a diet
of seeds and grains. However, two-thirds of the phosphorus in this food is phytic acid or phytate, w...
American Chemical Society's Weekly PressPac -- July 25, 2007
...rences originate because farmed fish usually get a diet
containing lower levels of marine-derived ingredients. With tests done on 10 wild and 10 farmed sea bass, the researchers cite the need to verify the findings on larger samples of different fish. ARTICLE #4 FOR IMMEDIATE RELEASE Discrimination of...
New studies on goats' milk show it is more beneficial to health than cows' milk
... milk with normal or double calcium content in the diet
favours digestive and metabolic utilisation of iron, calcium and phosphorus and their deposit in target organs - parts of the organism to which these minerals are preferably sent - involved in their homeostatic regulation. According to this researc...
Negative effects of plastic's additive blocked by nutrient supplements
...rates of obesity and certain cancers is that their diet
typically includes greater use of soy products than Western diets. However, he pointed out, it is not known at what doses genistein would be protective or harmful in humans. Future studies would be needed to determine optimal doses. Its like the fi...
More fish oil, less vegetable oil, better for your health
...that using more fish oil than vegetable oil in the diet
decreases the formation of chemicals called prosta...from vegetable oil and that adding fish oil to the diet
decreases the amount of prostanoids made from vegetable oil. The new study, to be published in th...
Picky eating potentially perilous for bats
...conservation concern often have a more specialized diet
than common species, said Boyles. Additional analyses show that dietary breadth is not related to either geographic range size or wing structure, characteristics previously found to be associated with extinction risk in bats. Previous research h...
Monell researchers find metabolic defect in liver that can lead to obesity
... weight and become obese when consuming a high-fat diet
is at least partially controlled by genes. Res...udy help explain the interaction between genes and diet
that underlies diet-induced obesity, comments senior author Mark Friedman. They also point to a way...
Did pterosaurs feed by skimming?
... of life. This method is often used to predict the diet
of an extinct species based on comparisons of fossilized teeth, or used to conclude that species with large eyes were nocturnal. However, a new paper from Stuart Humphries, Richard Bonser, and colleagues, published in the open access journal PLoS Bio...
New clue into how diet and exercise enhance longevity
...our mother told when you were growing upeat a good diet
and exercise, and it will keep you healthy, said White. Diet, exercise and lower weight keep your peripheral tissues sensitive to insulin. That reduces the amount and duration of insulin secretion needed to keep your glucose under control when you ea...
A new plant-bacterial symbiotic mechanism promising
...ds of leguminous plants that are crucial for human diet
(soybean, peas, ground nuts and so on) and as animal feed (alfalfa, clover, sainfoin). In addition, cultivation of legumes living in symbiotic association with bacteria can contribute to vegetation regeneration schemes on soils depleted in nitrogen...
Adding folic acid to flour significantly reduces congenital malformations
..., whole grains, and meat. However, even a balanced diet
wont supply enough folic acid for a pregnant mother and the child she is carrying. Before1998, Canadian medical authorities were already recommending that women in their child-bearing years consume vitamin supplements containing folic acid. Canada de...
Boosting key milk nutrients may help lower type 2 diabetes risk
...ng source of calcium and vitamin D in the American diet
could help decrease the risk of type 2 diabetes by nearly 15 percent, according to the new meta-analysis and review published in the Journal of Clinical Endocrinology & Metabolism (1). In the thorough analysis of previously published studies, th...
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