Tag: "fasting" at biology news

Exercise, exercise, rest, repeat -- how a break can help your workout

...performed each trial at the same time of day after fasting overnight. They exercised on a single ergometer (cycling machine) at the commonly recommended exercise prescription of 60% maximum oxygen intake. The recovery and rest periods were conducted while the subjects sat in chairs. Blood samples were ta...

Insulin sensitizer also serves as energy-conserving signal to the brain

...ectin levels in the brain normally increase during fasting and decrease after refeeding, suggesting that adip...acking adiponectin lost more fat after 12 hours of fasting than normal mice did. Blood levels of another fat hormone, leptin, are regulated inversely in rela...

Vitamin extends life in yeast, Dartmouth Medical School researchers find

...cal calorie reduction can extend life. Dieting or fasting mice live longer and lowering the glucose that yeast grow on extends their lifespan, according to Dr. Charles Brenner, associate professor of genetics and of biochemistry, who led the research. If we could do this in humans -- give people a drug or...

Cherries may help reduce metabolic syndrome and heart disease risk factors

...tal cholesterol levels, triglycerides, insulin and fasting glucose levels after 90 days. All of these measures are factors that are linked to metabolic syndrome. The study also showed the cherry-fed groups had lower levels of a plasma marker of oxidative damage and increased blood antioxidant capacity no...

Researchers identify new genetic risk factors for type 2 diabetes

...ple who had impaired glucose tolerance or impaired fasting glucose. ...

Study shows hibernating bears conserve more muscle strength than humans on bed rest do

...istance, the researchers found: "After 110 days of fasting and limited mobility imposed by denning, bears still exhibited a fatigue profile similar to that of healthy, active, fed humans." In contrast to other, smaller hibernating mammals such as prairie dogs and squirrels, black bears also conserved muscl...

Blood sugar's manufacture limited by building blocks' supply

...e amino acid breakdown promotes the development of fasting hypoglycemia in the mutant animals by limiting the...vate, but not alanine, rescued the mice from their fasting hypoglycemia. The findings point to a novel form of control over glucose levels, the researchers s...

Making no bones about it -- digestion in Burmese pythons

...re-modelled themselves in anticipation of the next fasting and feeding periods. An exciting development was the discovery of a new cell type in the small intestine of pythons which is responsible for the degradation of bone. Small particles observed in the intestine and colon of pythons within hours of fe...

Phthalates now linked to fat, related health risks

...nd waist circumference. Of these men, 651 also had fasting glucose and insulin levels required to calculate insulin resistance. The analysis found that, as expected, several phthalate metabolites showed a positive correlation with abdominal obesity. Indeed, men with the highest levels of phthalates in thei...

Chromium picolinate shows greater benefits in diabetes care than other forms of chromium

...r more measurements of glycemic control, including fasting glucose, postprandial glucose, fasting insulin, postprandial insulin, glycated hemoglobin, or insulin sensitivity. The authors concluded t...

New study to test statin-Parkinson's link

...al of 16000 patients for whom 20 years of baseline fasting cholesterol measurements are available will be involved. Another large-scale trial investigating a cholesterol link with Parkinson's risk is underway at Harvard. This study differs in that there are no baseline data available for the study group. Pf...

How appetite-stimulating brain cells work overtime during fasting

...erplay between local T3 production and UCP2 during fasting and reveals a central thermogenic-like mechanism in the regulation of food intake." While it is as yet unproven, the rise in UCP2 in the brain likely also causes changes in temperature in the same way that UCP1 does in brown fat, Diano said. "It...

Herbal medicine silymarin may help sugar-control in people with type II diabetes

...bound to haemoglobin in blood, as well as reducing fasting blood sugar levels. Silymarin contains a number ...the treatment group had a significant reduction in fasting blood glucose levels (p "The results are very encouraging, and we now need to do further large mul...

Orange juice beverage fortified with plant sterols lowers indicators of heart disease risk

...titute for Health & Wellness. Blood samples from fasting participants were taken before and after the trial to determine cholesterol levels. Researchers found that volunteers who drank the sterol-fortified orange juice beverage had an average 9-percent decrease in LDL cholesterol, and an average of 12-perc...

Warming climate may put chill on arctic polar bear population

...will likely not provide enough nourishment for the fasting period on land, posing a clear danger to their hea...ier per decade," said Stirling. "An extra month of fasting resulting from this phenomenon over four decades can significantly impact the polar bears' eating ha...

Erectile dysfunction: Incidence rate linked to type and severity of coronary artery disease

...ed cardiac assessment, blood pressure measurement, fasting lipid profile and glucose, as well as lifestyle advice regarding weight and exercise," said Dr Jackson. "Those at cardiovascular risk ideally need stress testing and referral for risk reduction therapy, and advice with appropriate follow-up." Lead ...

UF study sheds light on cystic fibrosis-related diabetes

...imals' ability to regulate their blood sugar while fasting and after receiving glucose, simulating the rise i...fficulty regulating blood sugar levels, both while fasting and after receiving glucose. Mice that were still able to produce the crucial protein that prevents ...

Chewing up a key regulator of fat synthesis keeps mice lean despite a high-fat diet

...ing the TRB3 pathway artificially "on" during both fasting and feeding might melt away fat depots. And that's exactly what happened. Mice genetically engineered to express permanently elevated levels of TRB3 protein in fat tissue were 10-20 percent skinnier than normal mice. "Even when we put them on a high-...

Just the expectation of a mirthful laughter experience boosts endorphins 27 percent, HGH 87 percent

...nt, Berk and his colleagues studied 16 healthy and fasting males, who hadn't exercised for at least a day and were not taking supplement medications. The test subjects had chosen a favorite video. Three days before the experiment, all the subjects were told which group they were randomly selected to be in, e...

Older adults may reduce risk of metabolic syndrome by eating more whole grains

...und that, indeed, as whole-grain intake increased, fasting blood sugar levels were lower in these subjects. R...ake, on the other hand, was associated with higher fasting blood sugar levels. Elevated fasting blood sugar levels can indicate impaired glucose tolerance and ...

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(Date:8/22/2014)... . NAIROBI (22 August ... looming as a major threat to food security across the ... last five years, 1.7 million African farmers in 13 countries ... and helped them double or even triple crop yields. , ... Africa (AGRA) focuses on intensive efforts initiated five years ago ...
(Date:8/22/2014)... has suffered an injury can probably remember the after-effects, ... the body is fighting back against the injury. When ... activated to aid in tissue regeneration. An inflammatory response ... regeneration, helping the body to heal after injuries such ... interfere with healing in situations in which foreign material ...
(Date:8/22/2014)... captive black rhino reproduction in Europe highlights how ... programmes. , Researchers from Chester Zoo, The University ... out a six-year study which encompassed 90% of ... Edwards led the research as part of her ... "Although some black rhinoceros breed well in captivity, ...
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