Antioxidant Effects differ by Leaf Color
March 27, 2015 01:47 PM - University of the Basque Country
Lettuce, one of the indispensable vegetables in the Mediterranean diet, is a food that greatly benefits health, mainly because it is rich in antioxidants. But not all lettuce varieties have the same antioxidant effect. According to a study led by the researcher Usue Pérez-López of the Department of Plant Biology and Ecology of the UPV/EHU's Faculty of Science and Technology, the colour of the leaves of these vegetables determines the speed at which their compounds act. So lettuces with green leaves have antioxidants that react more slowly while red-leaf ones have a faster effect. The results of this study have been set out in a paper "Phenolic Composition and Related Antioxidant Properties in Differently Coloured Lettuces: A Study by Electron Paramagnetic Resonance (EPR) Kinetics" recently published by the ‘Journal of Agricultural and Food Chemistry'.
Which diet has the smallest carbon footprint?
March 26, 2015 01:20 PM - Spanish Foundation for Science and Technology, via EurekAlert!
The health benefits of the Mediterranean diet are well-known. As well as being healthier, a recent article concludes that the menu traditionally eaten in Spain leaves less of a carbon footprint than that of the US or the United Kingdom. The consequences of climate change range from species extinction to sea-level increases and the spread of diseases. For this reason, researchers have been struggling for years to alleviate its effects, even limiting the pollution caused by food consumption.
Are you getting enough Zinc in your diet?
March 24, 2015 09:14 AM - Roger Greenway, ENN
Zinc is an important part of the human diet. You get it in Cashews, spinach, beef, shrimp, flax seed, Oysters, garlic, lima beans peanuts, turkey, Salmon, Pork, Brown rice and other foods. These are not listed in any particular order.
Zinc, is an important mineral in human health, that appears to affect how the immune system responds to stimulation, especially inflammation, new research from Oregon State University shows.
Zinc deficiency could play a role in chronic diseases such as cardiovascular disease, cancer and diabetes that involve inflammation. Such diseases often show up in older adults, who are more at risk for zinc deficiency.
“When you take away zinc, the cells that control inflammation appear to activate and respond differently; this causes the cells to promote more inflammation,” said Emily Ho, a professor and director of the Moore Family Center for Whole Grain Foods, Nutrition and Preventive Health in the OSU College of Public Health and Human Sciences, and lead author of the study.
United Nations warns on pesticides
March 23, 2015 09:55 AM - EurActiv
The UN's International Agency for Research on Cancer (IARC) said Friday (20 March) that three pesticides, including the popular weed killer Roundup, were "probably" carcinogenic and two others, which have already been outlawed or restricted, were "possibly" so.
IARC classified the herbicide glyphosate – the active ingredient in Roundup – and the insecticides malathion and diazinon as "probably carcinogenic" on the basis of "limited evidence" of cancer among humans.
Stinging nettle chemical improves cancer drug
March 20, 2015 02:20 PM - University of Warwick
A cancer drug could be made 50 times more effective by a chemical found in stinging nettles and ants, new research finds. Researchers at the University of Warwick found that when the chemical, Sodium Formate, is used in combination with a metal-based cancer treatment it can greatly increase its ability to shut down cancer cells.
NASA using space radar to track groundwater pollution risks
March 20, 2015 05:25 AM - Roger Greenway, ENN
Water is our most precious natural resource. Without clean water to drink human populations cannot exist. But our water supplies are under constant assault from anthropogenic pollution.
When pollutants get into groundwater, they can stay there for decades. Cleanup efforts are difficult, expensive and not always successful. It would be better to protect groundwater from contamination in the first place, but risks to groundwater are moving targets. Although unchanging factors such as porous soil or shallow aquifer depth play a role, the greatest risk comes from the source of the pollutants: people. And people are always moving. A growing city, in particular, usually means a growing threat to groundwater quality. To lock on to the moving target of groundwater risk, planners worldwide need up-to-date information on how people are changing the land surface.
A bright side to aging
March 19, 2015 06:56 AM - Northwestern University
Hollywood has given moviegoers many classic portrayals of grumpy old men. But new research suggests that getting older doesn’t necessarily make people cynical and suspicious.
Instead, trust tends to increase as people age, a development that can be beneficial for well-being, according to two new large-scale studies by researchers at Northwestern University and the University at Buffalo.
“When we think of old age, we often think of decline and loss,” said study co-author Claudia Haase, an assistant professor of Human Development and Social Policy at Northwestern’s School of Education and Social Policy.
The link between diesel exhaust and lung irritation
March 14, 2015 08:07 AM - European Lung Foundation via EurekAlert
Estoril, Portugal: Researchers in the UK have, for the first time, shown how exhaust pollution from diesel engines is able to affect nerves within the lung. Air pollution is a significant threat to health, they say, and identifying potential mechanisms linking exposure to diesel exhaust and the exacerbation of respiratory diseases may lead to treatments for those affected.
Mr. Ryan Robinson, a PhD student at the National Heart and Lung Institute, Imperial College London, UK, will tell the 13th European Respiratory Society Lung Science Conference today (Saturday) about his work studying diesel exhaust particles and airway sensory nerves. The news comes as the Healthy Lungs for Life campaign, launched by the European Respiratory Society and European Lung Foundation, takes places this year aiming to raise awareness of the importance of breathing clean air.
Why Do We Have Daylight Savings Time?
March 9, 2015 09:12 AM - Amanda Onion, Discovery News
We lost an hour this morning, awaking to an already sunny sky. Some may feel robbed an hour from their day. So why, again, do we do this?
To some degree, we may have Benjamin Franklin to thank.
Good news! We're eating healthier!
March 9, 2015 08:55 AM - Bill Roth, Triple Pundit
The big news from the 2015 Natural Products Expo West was that the American consumer is buying healthy foods at volumes never seen before. Health and wellness products are achieving three times the sales growth as conventional food products.
A survey conducted by SuperMarket News found that 80 percent of surveyed food-industry wholesalers and retailers had sales growth in health and wellness products. A third of survey respondents reported an astounding 20 percent increase in annual sales!
Gluten- and allergen-free is now top wellness trend