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First direct evidence of substantial fish consumption by early modern humans in China
July 07, 2009Freshwater fish are an important part of the diet of many peoples around the world, but it has been unclear when fish became an important part of the year-round diet for early humans.
A new study by an international team of researchers, including Erik Trinkaus, Ph.D., professor of anthropology in Arts & Sciences at Washington University in St. Louis, shows it may have happened in China as far back as 40,000 years ago.
The study will be published online the week of July 6 in the Proceedings of the National Academy of Sciences.
Chemical analysis of the protein collagen, using ratios of the isotopes of nitrogen and sulfur in particular, can show whether such fish consumption was an occasional treat or a regular food item.
Analysis of a bone from one of the earliest modern human in Asia, the 40,000-year-old skeleton from Tianyuan Cave near Beijing, has shown that at least this individual was a regular fish consumer.
This analysis provides the first direct evidence for the substantial consumption of aquatic resources by early modern humans in China.
Since this occurs before there is consistent evidence for effective fishing gear, the shift to more fish in the diet likely reflects greater pressure from an expanding population at the time of modern human emergence across Eurasia.
Washington University in St. Louis
Chemical analysis of the protein collagen, using ratios of the isotopes of nitrogen and sulfur in particular, can show whether such fish consumption was an occasional treat or a regular food item.
Analysis of a bone from one of the earliest modern human in Asia, the 40,000-year-old skeleton from Tianyuan Cave near Beijing, has shown that at least this individual was a regular fish consumer.
This analysis provides the first direct evidence for the substantial consumption of aquatic resources by early modern humans in China.
Since this occurs before there is consistent evidence for effective fishing gear, the shift to more fish in the diet likely reflects greater pressure from an expanding population at the time of modern human emergence across Eurasia.
Washington University in St. Louis
Fish Consumption Current Events and Fish Consumption News RSSConsumption of certain fish during pregnancy associated with poorer cognitive performance
Children who eat fish more than 3 times per week show a worse performance in the general cognitive, executive and perceptual-manipulative areas.
Study finds mercury levels in children with autism and those developing typically are the same
In a large population-based study published online today, researchers at the UC Davis MIND Institute report that after adjusting for a number of factors, typically developing children and children with autism have similar levels of mercury in their blood streams. Mercury is a heavy metal found in other studies to adversely affect the developing nervous system.
Preventing allergies
Allergic diseases are becoming increasingly common in Western industrialized countries. As there is still no etiologically based treatment of allergic asthma, hay fever, or atopic eczema, the prevention of these diseases is a matter of special importance.
Large epidemiologic study supports brain power of fish in older people
Experts estimate that over 24 million people worldwide suffer from dementia, and many of these people live in low- and middle-income countries.
Eating fatty fish once a week reduces men's risk of heart failure
Eating salmon or other fatty fish just once a week helped reduce men's risk of heart failure, adding to growing evidence that omega-3 fatty acids are of benefit to cardiac health. Led by researchers at Beth Israel Deaconess Medical Center (BIDMC) and reported in today's on-line issue of the European Heart Journal, the findings represent one of the largest studies to investigate the association.
Eating fish while pregnant, longer breastfeeding, lead to better infant development
Both higher fish consumption and longer breastfeeding are linked to better physical and cognitive development in infants, according to a study of mothers and infants from Denmark. Maternal fish consumption and longer breastfeeding were independently beneficial.
UNH Researchers Test Sediment-Scrubbing Technology In Cocheco River
In a mud flat at the edge of the Cocheco River, just outside downtown Dover, scientists from the University of New Hampshire's Contaminated Sediments Center are testing an innovative way to treat polluted sediment in coastal waterways.
Why fish oil is good for you
It's good news that we are living longer, but bad news that the longer we live, the better our odds of developing late-onset Alzheimer's disease.
Higher levels of pollutants found in fish caught near a coal-fired power plant
Emissions from coal-fired power plants may be an important source of water pollution and fish contamination.
Smoking may strongly increase long-term risk of eye disease
Current and past smokers appear to have a higher risk of developing late age-related macular degeneration than those who have never smoked.
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Cross-national meat and fish consumption: exploring the effects of modernization and ecological context [An article from: Ecological Economics] by R. York (Author), M.H. Gossard (Author) This digital document is a journal article from Ecological Economics, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser. Description: Production and consumption of meat and fish have serious consequences for global food security and the environment. An understanding of the factors that influence meat and fish consumption is important for developing a sustainable food production and distribution system. For a sample of 132 nations, we use ordinary-least-squares (OLS) regression to assess the effects of modernization and ecological context on per capita meat and fish consumption. We find that ecological conditions in a nation, such as resource... |
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Temporal variation of blood and hair mercury levels in pregnancy in relation to fish consumption history in a population living along the St. Lawrence River [An article from: Environmental Research] by J. Morrissette (Author), L. Takser (Author), G. St-Amour (Author), Smargiassi (Author) This digital document is a journal article from Environmental Research, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser. Description: Fish consumption from the Great Lakes and the St. Lawrence River has been decreasing over the last years due to advisories and increased awareness of the presence of several contaminants. Methylmercury (MeHg), a well-established neurotoxicant even at low levels of exposure, bioaccumulates to differing degrees in various fish species and can have serious adverse effects on the development and functioning of the human central nervous system, especially during prenatal exposure. Most studies on MeHg exposure have... |
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Methyl mercury and inorganic mercury in Swedish pregnant women and in cord blood: influence of fish consumption. (Environmental Medicine).: An article from: Environmental Health Perspectives by K. Ask Bjornberg (Author), M. Vahter (Author), K. Petersson-Grawe (Author), A. Glynn (Author), S. Cnattingius (Author), P.O. Darnerud (Author), S. Atuma (Author), M. Aune (Author), W. Becker (Author), M. Berglund (Author) This digital document is an article from Environmental Health Perspectives, published by National Institute of Environmental Health Sciences on April 1, 2003. The length of the article is 5644 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser. Citation Details Title: Methyl mercury and inorganic mercury in Swedish pregnant women and in cord blood: influence of fish consumption. (Environmental Medicine). Author: K. Ask Bjornberg Publication: Environmental Health Perspectives (Refereed) Date: April 1, 2003 Publisher: National Institute of Environmental Health Sciences Volume: 111 Issue: 4 ... | |
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