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Tag: "vitamins" at biology news

Study finds mix of disease processes at work in brains of most people with dementia

...ver a range of interventions such as statin drugs, vitamins and exercise....

Heavy multivitamin use may be linked to advanced prostate cancer

...in supplements consist of a combination of several vitamins and men using high levels of multivitamins were also more likely to take a variety of individual supplements, we were unable to identify or quantify individual components responsible for the associations that we observed,?the authors write. In an...

Studies force new view on biology of flavonoids

...they have 3-5 times more antioxidant capacity than vitamins C or E. But with flavonoids in particular, what goes on in a test tube is not what’s happening in the human body." Research has now proven that flavonoids are poorly absorbed by the body, usually less than five percent, and most of what does get a...

Vitamins: Science doesn't always match policy

...rtunities to advancing the scientific knowledge of vitamins and minerals in an article published in a January ...until we have more information. The best source of vitamins is food," he adds. To close the gap between the paucity of established scientific evidence and th...

Cocoa 'vitamin' health benefits could outshine penicillin

...essive that they may even warrant a rethink of how vitamins are defined. Epicatechin does not currently meet t...3 essential vitamins. An increase in the number of vitamins would provide significant opportunity for nutritional companies to expand their range of products. F...

Chemo combination improves survival in asbestos-related cancer

...decreased in both incidence and severity after the vitamins were added to the treatment. People who work trades such as shipbuilding, railway engineering, construction work and asbestos manufacture have higher rates of mesothelioma than the general public. The cancer may take 10 to 60 years to develop, and th...

Nanotechnology shows promise as next wrinkle fighter

...y can penetrate deeper into the skin, transporting vitamins and other compounds to plump and smooth tissue. But Ilsoon envisions thin films that can be injected beneath the thinning outer layer of the skin, the epidermis, that over time stiffens and buckles with aging, and the thicker dermis beneath it, which...

Deep in the ocean, a clam that acts like a plant

...acteria also fix nitrogen and produce amino acids, vitamins and other nutrients required by the clam. Studies of the deep sea have implications for studying the origins of life, Eisen said. Life on Earth may have got its start with microbes living on such chemical reactions, before the evolution of photosy...

Vitamin D deficiency widespread during pregnancy

... though more than 90 percent of them used prenatal vitamins during pregnancy," said Lisa Bodnar, Ph.D., M.P.H....ancy, 90 percent of all women were taking prenatal vitamins and yet deficiency was still common." Vitamin D is found naturally in fatty fish but few other fo...

Sequencing of the oyster mushroom genome

...tics that make its consumption beneficial (rich in vitamins and proteins), this fungus is a model for studying the CO 2 cycle ?carbon dioxide being one of the principal gases of the greenhouse effect ?and holds great potential for use in bioremediation –biodegradation of contaminants ? reasons why, together ...

Gut reaction: Researchers define the colon's genome

...resident microbes in the colon actively synthesize vitamins and break down plant sugars, such as xylan and cellobiose (similar to cellulose), which humans could not otherwise digest because we lack the necessary enzymes. Cellobiose, for instance, is a key component of plant cell walls and thus is found in mos...

Diabetes research takes wing thanks to long-lived fruit fly

...intact in the same way people hope substances like vitamins C and E might, few had considered that simply boosting the amount of JNK could have such a broad impact on life span. Then, in another surprise, Jasper and Bohmann showed that JNK targets the same protein as the widely studied insulin receptor, cent...

Ticks, flukes, and genomics: Emerging pathogens revealed

... pathogens, for instance, appear capable of making vitamins that a host tick lacks in its regular diet. "This study is a beautiful example of how in-depth comparative genomics can lead to the identification of molecular features that underlie the lifestyle of pathogens," says TIGR molecular biologist Hervé ...

Antioxidant selenium offers no heart-disease protection

...of cardiovascular disease." Several antioxidants, vitamins C and E in particular, that were thought to play a role in preventing heart disease based on observational studies have turned out not to be protective in randomized clinical trials, and selenium now has joined this group. The main findings of this...

Tastier tomatoes in the future?

...art disease. Tomatoes furthermore contain a lot of vitamins C and E, indispensable for human nourishment. But after centuries of cultivation for shape, colour, and other useful qualities, our cultured tomatoes today are of small genetic diversity, in comparison with wild types. This has affected the taste and...

Life in deadly conditions

... that Natronomonas pharaonis can by itself produce vitamins and amino acids. Thus, the growth medium for the culture of the single-celled organism could be significantly simplified. Dieter Oesterhelt explains that "the comparison with other halophile archaea we have studied shows that these organisms have a ...

Research team receives $7.5 million to study cassava

...t have increased levels of zinc, iron, protein and vitamins A and E, and that can also withstand post-harvest ...t have increased levels of zinc, iron, protein and vitamins A and E, and that can also withstand post-harvest deterioration. "The Gates Foundation mandated tha...

Leptin-signaling Protein Maintains Normal Body Weight And Energy Balance In Mice

...or people," fish contain combinations of proteins, vitamins and minerals that help fortify people with HIV and AIDS against secondary infections while increasing the effectiveness of retroviral drugs. "Small fish ponds are a valuable addition to farms without substantially adding to the labour burden," says ...

Crisis in African fish supplies looms, experts warn Africa leaders

...or people," fish contain combinations of proteins, vitamins and minerals that help fortify people with HIV and AIDS against secondary infections while increasing the effectiveness of retroviral drugs. "Small fish ponds are a valuable addition to farms without substantially adding to the labour burden," says ...

MSU researchers receive $4 million grant to uncover gene functions

...nutrients important to human health. These include vitamins and heart-healthy oils." The NSF's Arabidopsis 2010 project is a worldwide effort to catalogue the function of every gene in the plant - something never before accomplished with any plant or animal. The $4 million grant begins Dec. 1 and will conti...

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