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Tag: "diet" at biology news

Contagious obesity? Identifying the human adenoviruses that may make us fat

...et, there is evidence that factors other than poor diet or lack of exercise may be at work in the obesity epidemic. "The prevalence of obesity has doubled in adults in the United States in the last 30 years and has tripled in children," the study noted. "With the exception of infectious diseases, no other...

Birth defects: 8 million annually worldwide

...n, treatment and care. Ensure a healthy, balanced diet during a woman's reproductive years. Control infections in pregnant women. Train physicians, nurses, allied health professionals and workers in the recognition and care of children with birth defects. Establish national capacity for birth defects ...

Feeling old?

...win. However, adding the amino acid leucine to the diet of old individuals can set things straight again. ...kdown may be affected. While adding leucine to the diet restores protein building there was no knowledge about this supplement's effect on breakdown. To ad...

Study finds that nutritionally enhanced rice reduces iron deficiency

...rectly advise that the best solution is a balanced diet of fruit, vegetables and meat, but, for the very poor, such choices are simply not possible and so they depend predominantly on staple foods to stave off day-to-day hunger. This is especially true in isolated rural areas where under-resourced and ov...

Drunken elephants: The marula fruit myth

...hat the elephant avoids drinking water, consumes a diet of only marula fruit at a rate of at least 400 percent normal maximum food intake, and with a mean alcohol content of at least 3 percent," write the authors. Instead, the authors posit that an intoxicant other than alcohol may be responsible for "t...

Researchers use 'trickery' to create immune response against melanoma

...age (predominantly men over 50 years of age) and a diet high in red meat and dairy products.3 Once the cancer has been diagnosed it is graded and staged to assess the aggressiveness of the tumour and how far it has spread, and for evaluating the type of treatment required. Treatment can involve surgery, ...

Targeted drug delivery achieved with nanoparticle-aptamer bioconjugates

...age (predominantly men over 50 years of age) and a diet high in red meat and dairy products.3 Once the cancer has been diagnosed it is graded and staged to assess the aggressiveness of the tumour and how far it has spread, and for evaluating the type of treatment required. Treatment can involve surgery, ...

Phenolic compounds may explain Mediterranean diet benefits

...be that the beneficial effect of the Mediterranean diet on cardiovascular disease and arteriosclerosis dep...udy, noted that health benefits of a Mediterranean diet were described over 50 years ago. "This study demonstrates one possible mechanism by which olive oi...

No link found between caffeine intake and development of hypertension in women

...ation was found with the consumption of sugared or diet colas, according to a study in the November 9 issu...rtension, independent of whether it was sugared or diet cola. "In this study with more than 1.4 million person-years of follow-up [the number of women in t...

Seal rookeries could provide a reliable food source for endangered California condors, study finds

...d seals have been an integral part of the condor's diet since the last Ice Age, and that current efforts b...e ranchers. Eventually, the birds supplement their diet with carcasses of deer, boar and other terrestrial wildlife they happen to find. Unfortunately, many...

WWF peeks into mysterious life of Borneo's pygmy elephants

...resents a whole herd's movements.„X The elephants' diet consists of at least 162 species of plants (in 49 families), including several dipterocarp tree species. This was determined during field tracking that supplements the satellite tracking. It was proved that forest quality influences the diversity and...

Overfishing may drive endangered seabird to rely upon lower quality food

...iod. The researchers were thus able to relate the diet of the murrelet to the environmental and fishing c...impact on pre-breeding diet. That is, the murrelet diet in the era before the collapse of sardines and declines in other fisheries consisted of a greater pr...

Researchers show how air pollution can cause heart disease

...e air were 13.2 percent obstructed. Among high-fat diet mice, those exposed to PM2.5 had arteries that wer... 26.2 percent clogged. In both normal and high-fat diet mice, PM2.5 exposure increased cholesterol levels, which are thought to exacerbate plaque buildup. ...

New technique multiplies life span in simple organisms

...ns in their DNA, whether caused by age, radiation, diet or other environmental factors. Cancer often begins when DNA mutations outstrip a cell's ability to remain differentiated. Many researchers believe DNA repair systems are already running flat out. The organisms in Longo's experiment say otherwise. ...

Zinc supplements safe for HIV-infected children

...do not receive adequate amounts of zinc from their diet should be given supplements, even if they are HIV-infected, according to researchers from the Johns Hopkins Bloomberg School of Public Health and other institutions. Previously, it was not known if zinc would speed up HIV disease progression in chil...

Restaurant seafood prices since 1850s help plot marine harvests through history

...ed the earth and remains a vital item in the daily diet of millions worldwide," says Danish environmental historian Poul Holm, who leads the HMAP network of researchers and institutions. "The Romans ate fish in vast quantities. And over-fishing in medieval Europe was a very real problem in the days of Wi...

Research team receives $7.5 million to study cassava

...ant's starchy root is a substantial portion of the diet of nearly 600 million people worldwide. Cassava is the fourth-most-important crop in the tropics, and it's relatively easy to grow in drought conditions. Fully grown cassava roots can stay in the ground for up to two years and needs relatively littl...

New technology shows our ancestors ate…everything!

...mplies that early humans evolved and altered their diet according to seasonal and other changes in order t...to have a reliable technology that detects subtler diet variations." A team of scientists from the University of Arkansas and Worcester Polytechnic Institu...

Researcher at UGA College of Veterinary Medicine identifies new way of combating viral diseases

...are generally able to control their condition with diet and medication.Temporarily blocking the Rab9 pathway would be unlikely to harm the body, Hodge added, because human cells tend to have backup systems that can compensate. ...

Did humans cause ecosystem collapse in ancient Australia?

...,000 years ago. The researchers traced evidence of diet and the environment contained in ancient eggshells.... The remains showed evidence of a rapid change of diet at the time of the extinctions. The researchers believe that massive fires set by the first humans m...

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