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Tag: "calories" at biology news

Hawaiian treasure, macadamia nuts good for the heart

... were matched for total fat, containing 33 percent calories from total fat. The Heart Healthy diet with macadamia nuts had 7 percent saturated fat, 18 percent monounsaturated fat and 5 percent polyunsaturated fat. The standard American diet had 13 percent saturated fat, 11 percent monounsaturated fat and 5 pe...

It's never too late to get it back! Aging interrupted

...l is eaten. It seems it is the total number of calories which are consumed, rather than the type of food which is the key to the effects of low calorie diets on the ageing process. However, it is known that vegetarians and fish eaters live longer than red meat eaters, and that, generally, the more fruit a...

Researchers find link between food odors and lifespan in fruit flies

...y organisms tend to live longer if their intake of calories is restricted have made a startling discovery ?in ...y organisms tend to live longer if their intake of calories is restricted have made a startling discovery ?in fruit flies, just the smell of food can have a neg...

Scripps research team discovers a chemical pathway that causes mice to overeat and gain weight

...y temperatures, but this did not burn enough extra calories to balance the additional eating, so the mice weighed 15 to 30 percent more than control mice. Determining why the lack of EP3 receptors causes increased activity and eating will likely take a great deal of experimentation. "It's a very complex ph...

A steady, high-fat diet is bad, but the news gets worse

...w-fat breakfast. Both meals had the same number of calories and the low-fat breakfast included supplements to balance it for sodium and potassium. Two hours later the two groups were subjected to standard physical and mental stress tests while having their cardiovascular responses measured. They performed...

'Exercise pill' switches on gene that tells cells to burn fat

...he resulting shift in energy balance (calories in, calories burned) makes the mice resistant to weight gain on...ting local metabolism and increasing the amount of calories burned. As a Howard Hughes Medical Investigator at The Salk Institute’s Gene Expression Laboratory, ...

Single molecule extends fat mice lives by reversing gene pathways associated with disease in obese

...her on a high calorie diet (HC) with 60 percent of calories coming from fat, and a third group of mice on the same high calorie diet but also treated with resveratrol (HCR). At middle age, or roughly 52 weeks of life, the researchers put the mice on the different diets. Survival Benefit At 60 weeks of a...

Eating protein boosts hormone that staves off hunger

... results. High-protein diets reduced the number of calories animals consumed and increased their PYY levels. Mice fed a high-protein diet also gained less weight and produced more PYY than animals that ate the usual amount of protein, they found. In addition, the researchers found that genetically modified ...

When the label says 'low fat,' calories can pile up, study says

...overweight people -- consume up to 50 percent more calories when they eat low-fat versions of snack foods than...fat-labeled foods have only about 30 percent fewer calories than their regular counterparts. "Often, the fat-free version is not much lower calorie than the reg...

Poor athletic performance linked to vitamin deficiency

...re bodies need, said Manore. Athletes who restrict calories or limit food groups like dairy or meat have an increased chance of deficiency. Such athletes are often concerned about maintaining a low body weight for sports like gymnastics and wrestling. "The most vulnerable people are often the individuals s...

Holiday gluttony can spell disaster for undiagnosed diabetics

...g sugar. Sugar, as any other food, provides excess calories that can lead to obesity and a predisposition to d..."If you don't eat sugar, and continue to eat extra calories from other foods, you may still develop diabetes." ...

Wheat gene may boost foods' nutrient content

...or crops, providing approximately one-fifth of all calories consumed by humans, therefore, even small increases in wheat's nutritional value may help decrease deficiencies in protein and key micronutrients," said Professor Jorge Dubcovsky, a wheat breeder and leader of this research group. He noted that the W...

'Mindless autopilot' drives people to underestimate food decisions

... People served a snack mix in a bowl ate 134 fewer calories than those eating straight from the bag. Bank ... also be more accurate at estimating the number of calories you consumed. Sit next to the slowest eater at the table: Use that person as a benchmark as to h...

Cutting calories slightly can reduce aging damage

A lifelong habit of trimming just a few calories from the daily diet can do more than slim the wais...own a more drastic 20 percent to 40 percent cut in calories slows aging damage. The UF findings indicate even small reductions in calories could have big effect...

Diabetes research takes wing thanks to long-lived fruit fly

...ining life span. Caloric restriction ?limiting the calories an organism ingests ?generally increases lifespan in organisms ranging from worms to flies, and maybe humans. Somehow, JNK and the insulin receptor together seem to work in tandem to affect life span. "We're learning that an organism's life span may...

Gut microbes' partnership helps body extract energy from food, store it as fat

... collude and collaborate to increase the amount of calories harvested from a class of carbohydrates found in f...hat breaks down these nutrients so that the stored calories can be liberated and absorbed. But B. thetaiotaomicron doesn't just work in a simple partnership ...

Johns hopkins researchers find link between cell's energy use and genome health

...her studies have shown that reducing the number of calories a yeast cell "eats" not only can affect chromosomes, but also increase lifespan, allowing the yeast to live longer, an observation that fits their findings. ...

One-third of adults with diabetes still don't know they have it

... if they lose a modest amount of weight by cutting calories in their diet and increasing physical activity (for example, walking 30 minutes a day 5 days a week). A major study of people with IGT has shown that lifestyle changes leading to a 5 to 7 percent weight loss lowered diabetes onset by 58 percent. ...

Thinner and younger

...ict diet regimen, both to keep the total number of calories low and to insure that people consume the proper b...ubjects who either had not been on a diet, had cut calories by about 12.5 percent and increased the energy they burned through exercise by a like amount, or had...

Insects and mammals share common fat-building pathway, study suggests

...s consequences ?this is not necessarily so." Extra calories have to go somewhere, he said. If fat formation is blocked, lipid deposits may instead build in other parts of the body, such as muscle or liver. "The 'problem' in obesity is energy balance that is out of whack, and not a surfeit of adipocytes (fat c...

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