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Tag: "diet" at biology news

Super-sized cassava plants may help fight hunger in Africa

...rchy tuberous root is a substantial portion of the diet of nearly 600 million people worldwide. Sayre said he hopes to offer these plants to countries where cassava is an important crop. The current study appears in the online early issue of the Plant Biotechnology Journal. Sayre collaborated with Ohio ...

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

...ce. "These mice were able to deal with a high-fat diet much better than their normal counterparts," Montm...h they ate more," he adds. In humans, a high-fat diet ?one heavy on red and processed meats like hot dogs and sausages, refined grains, fried foods and sw...

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

...dest 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. If you are ove...

It's not fair! We are programmed to resist weight loss

...n contrast to the second study where subjects used diet and exercise to lose weight but chose how much they did of each." Dr King said the first group's weight loss during the first eight weeks averaged 3kg but it "plateaued" at week eight and weight loss for the next four weeks was markedly reduced (.7...

Chocolate, wine, spicy foods may be OK for heartburn, Stanford study finds

...he sphincter, then eliminating that food from your diet would allow the sphincter to tighten up, thus redu... to see a patient who says, 'Oh, I just changed my diet and everything got better,'" she said, "though this might be the case for patients with milder heart...

Alaska seal pup diet may hold key to decline of population

...w fat diet. But smaller seals, regardless of which diet group they were put in, continued to lag behind in...ulachon are good sources of much-needed fat in the diet of harbor seals, but they have decreased in numbers in some areas where seals live, Polasek explaine...

Salmon go veggie to save wild fish stocks

... like humans, require omega-3 fatty acids in their diet to function healthily. But as the fish farming industry expands, feeding salmon and other aquatic species with pellets containing fishmeal and oil derived from processing wild-caught marine fish is unsustainable in the long term. This is due to risin...

Vegetables inhibit growth of prostate cancer in mice with human tumors

...footed and Laysan albatrosses both consume a mixed diet of squid, fish, and fish eggs. Finkelstein analyzed nitrogen isotope ratios in the two species--an indicator of an animal's "trophic level," or how high it is on the food chain--and found no significant difference. "Biomagnification means that you g...

Albatross study shows regional differences in ocean contamination

...footed and Laysan albatrosses both consume a mixed diet of squid, fish, and fish eggs. Finkelstein analyzed nitrogen isotope ratios in the two species--an indicator of an animal's "trophic level," or how high it is on the food chain--and found no significant difference. "Biomagnification means that you g...

Thinner and younger

...an eating a low-calorie yet nutritionally balanced diet extend human life? Preliminary research suggests i...because calorie restriction requires a very strict diet regimen, both to keep the total number of calories low and to insure that people consume the proper ...

How nice, brown rice: Study shows rice bran lowers blood pressure in rats

...en kidney problems. What if some component of our diet could work in similar fashion, with few or no side effects? Researchers at Tohoku University and Japan’s National Research Institute of Brewing demonstrated that adding rice bran to the diets of hypertensive, stroke-prone rats lowered the animals?sys...

Pennsylvania researchers find liver transplants provide metabolic cure for rare genetic disease

...lant, the only treatment was strict adherence to a diet almost devoid of protein. Despite adherence to this diet, patients were still at risk of metabolic crisis from something as simple as a common cold, which can disrupt the body's metabolism and cause rapid neurological deterioration. In 1997, an MSUD...

Parachuting allows krill to eat and run

... numbers in Antarctica, where they form the staple diet of fish, penguins, seals, and whales. Like many other small pelagic animals, they perform daily vertical migration (DVM), in which they occupy the upper ocean layers at night to eat and the deeper layers by day to hide. Previous research has shown th...

UCLA paper examines how one disease may prevent another

...eved to be demons. A 1924 discovery showed that a diet rich in fat and low in carbohydrates mimicked star...onemia and also controlled seizures. The ketogenic diet is still used today for cases of epilepsy resistant to medication. During the 1994 winter of starv...

El Nino events affect whale breeding

...krill, a shrimp-like crustacean, which is the main diet of these whales. It is known that these changes affect penguins and seals in the Antarctic, but this is the first time the link has been made with whales as they return to their calving grounds in the South Atlantic. Keith Reid from British Antarcti...

Two NIH initiatives launch intensive efforts to find roots of common diseases

...st be due to changes in the environment, including diet and physical activity, which may produce disease i...is challenge." To determine how the environment, diet and physical activity contribute to illness, investments will be made in emerging technologies, such...

Butterflies lose body fat during metamorphosis

...yzed the fatty acid composition and content of the diet as well as the larva. Once the larva had transfor...tent of the butterfly. They found that both the diet and the tissues of the larva and butterfly had a high concentration of polyunsaturated fatty acids. ...

Aspirin reduces cardiovascular risks in men and women -- but differently

...educing cardiovascular risks, such eating a proper diet and exercising." Of the six randomized clinical trials involved in the analysis, three enrolled solely men, one included only women, and two enrolled both sexes. The trials were: Physicians Health Study, British Doctor's Trial, Thrombosis Prevention...

There's something fishy about human brain evolution

...ephen Cunnane it was a rich and secure shore-based diet that fuelled and provided the essential nutrients to make our brains what they are today. Controversially, according to Dr. Cunnane our initial brain boost didn't happen by adaptation, but by exaptation, or chance. "Anthropologists and evolutionary ...

Newly identified mechanism helps explain why people of African descent are more vulnerable to TB

...mmunity, and how that can best be achieved through diet or supplementation," said the senior investigator of these studies, Dr. Robert Modlin, Klein Professor of Dermatology and Professor of Microbiology, Immunology and Molecular Genetics at the David Geffen School of Medicine at UCLA. "Tuberculosis is a...

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