News tagged with nutrient deficiencies
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Heart and bone damage from low vitamin D tied to declines in sex hormones
1hour ago |
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Researchers at Johns Hopkins are reporting what is believed to be the first conclusive evidence in men that the long-term ill effects of vitamin D deficiency are amplified by lower levels of the key sex hormone estrogen, ...
Sweet as can be: How E. coli gets ahead
Nov 12, 2009 |
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Scientists at the University of York have discovered how certain bacteria such as Escherichia coli have evolved to capture rare sugars from their environment giving them an evolutionary advantage in naturally competitive enviro ...
Microbial menagerie: Junk food binge alters community of microbes in the gut in less than a day
Nov 11, 2009 |
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(PhysOrg.com) -- Switching from a low-fat, plant-based diet to one high in fat and sugar alters the collection of microbes living in the gut in less than a day, with obesity-linked microbes suddenly thriving, according to ...
Can a plant be altruistic?
Nov 11, 2009 |
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The concept of altruism has long been debated in philosophical circles, and more recently, evolutionary biologists have joined the debate. From the perspective of natural selection, altruism may have evolved because any ...
California's Ancient Kelp Forest
Nov 10, 2009 |
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(PhysOrg.com) -- The kelp forests off southern California are considered to be some of the most diverse and productive ecosystems on the planet, yet a new study indicates that today's kelp beds are less extensive and lush ...
In the war between the sexes, the one with the closest fungal relationship wins
Nov 10, 2009 |
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The war between the sexes has been fought on many fronts throughout time -- from humans to birds to insects, the animal kingdom is replete with species involved in their own skirmishes. A recent study by Dr. Sarah Eppley ...
Climate studies to benefit from 12 years of satellite aerosol data
Space & Earth / Earth Sciences
Nov 10, 2009 |
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Aerosols, very small particles suspended in the air, play an important role in the global climate balance and in regulating climate change. They are one of the greatest sources of uncertainty in climate change ...
Mood improves on low-fat, but not low-carb, diet plan
Nov 09, 2009 |
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After one year, a low-calorie, low-fat diet appears more beneficial to dieters' mood than a low-carbohydrate plan with the same number of calories, according to a report in the November 9 issue of Archives of Internal Me ...
15,000 reasons to worry about invasive species
Nov 09, 2009 |
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A day at the beach in Wisconsin's North Woods didn't used to go like this. Candy Dailey spent a Fourth of July holiday splashing with grandkids on the sandy shore of Lake Metonga when she felt a nasty sting on her foot.
Water-conserving irrigation strategies minimize overwatering, runoff
Nov 05, 2009 |
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Conserving water and reducing the environmental impact of runoff are two of the most important issues confronting container nursery operations. Current regulations and laws in five states limit water consumption ...
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