Health

Mercury in Tuna Sushi Higher at Restaurants than Groceries
April 22, 2010 08:52 AM - Rachael Rettner, LiveScience

Tuna sushi from your local supermarket might have lower mercury levels and so be safer to eat than sushi from a high-end restaurant, a new study using fish DNA suggests. The results show that some species of tuna, particularly those that restaurants value for their firmer flesh and appealing look — such as bluefin akami and all bigeye tuna — have higher mercury levels than other species typically found in grocery stores.

Smells and Aging
April 21, 2010 01:23 PM - Andy Soos, ENN

Smell is one of the five senses. It is how we interact with the world. What does the smell of a good meal mean to you? What are good smells and what are bad smells? Are there effects beyond just being pleasant or unpleasant? Specific odors that represent food or indicate danger may be capable of altering an animal's lifespan and physiological profile by activating a small number of highly specialized sensory neurons, researchers at the University of Michigan, University of Houston, and Baylor College of Medicine have shown in a study publishing by the end of April in the online, open-access journal PLoS Biology.

Bill Before New York Lawmakers would Ban Use of Pesticides on School Playing Fields
April 21, 2010 08:51 AM - Delen Goldberg , Organic Consumers Association

Syracuse, NY -- Children race out of their classrooms onto green, fluffy grass playing fields. They tumble and slide, roll around and laugh. Their pants turn green from grass stains. They rub their eyes and faces. They drop water bottles and snacks onto the lawn. The lush grass helps to protect their knees from scrapes and guards them against serious injury. But the grass also could make them sick, according to environmental advocates and numerous scientific studies.

Mercury surprise: Rice can be risky
April 19, 2010 09:22 AM - Janet Raloff, Science News

Ask toxicologists how best to avoid mercury poisoning and they’ll almost certainly advise against eating too much of the wrong types of fish. (Never mind that there’s considerable confusion about what the wrong types are.) But a new study out of China shows that for millions of people at risk of eating toxic amounts of mercury-laced food, fish isn’t the problem. Rice is.

Chemical Safety Reform Gains Momentum in Congress
April 16, 2010 11:26 AM - Science AAAS

Two bills in Congress would dramatically strengthen the Environmental Protection Agency's (EPA's) ability to regulate chemicals. The bills shift the burden of proof to industry, which would have to demonstrate the safety of existing and new chemicals. That's a major change from the existing system, in which EPA must prove that chemicals are harmful before it can regulate them.

EPA Finalizes the 2008 National U.S. Greenhouse Gas Inventory
April 15, 2010 02:14 PM - Roger Greenway, ENN

The U.S. Environmental Protection Agency (EPA) has released the15th annual U.S. greenhouse gas inventory report, which shows a drop in overall emissions of 2.9 percent from 2007 to 2008. The downward trend is attributed to a decrease in carbon dioxide emissions associated with fuel and electricity consumption. An emissions inventory that identifies and quantifies a country's primary anthropogenic1 sources and sinks of greenhouse gases is essential for addressing climate change. This inventory adheres to both 1) a comprehensive and detailed set of methodologies for estimating sources and sinks of anthropogenic greenhouse gases, and 2) a common and consistent mechanism that enables Parties to the United Nations Framework Convention on Climate Change (UNFCCC) to compare the relative contribution of different emission sources and greenhouse gases to climate change.

Meat Free Mondays at Tel Aviv University
April 13, 2010 10:06 AM - Karen Chernick, Green Prophet

A couple of weeks ago, Tel Aviv University students joined others at Harvard, Oxford, Columbia, and many other universities worldwide in a campaign – Meat Free Mondays – that demonstrates their high level of education regarding vegetarianism’s positive effect on the environment.

The Biology of Stress
April 12, 2010 03:00 PM - Andy Soos, ENN

Scientists at The University of Western Ontario have discovered a biological link between stress, anxiety and depression. By identifying the connecting mechanism in the brain, this high impact research led by Stephen Ferguson of Robarts Research Institute shows how stress and anxiety can lead to biological causes of depression. The external causes of stress are multiple such as: Jobs and The Workplace, Financial Problem, Personal Relationships, Children/Family, and Being Too Busy. The biological link may show how to treat the stress symptoms in a better way.

Exposure to Three Classes of Common Chemicals May Affect Female Development, Study Finds
April 9, 2010 12:41 PM - Science Daily

Researchers at Mount Sinai School of Medicine have found that exposure to three common chemical classes -- phenols, phthalates and phytoestrogens -- in young girls may disrupt the timing of pubertal development, and put girls at risk for health complications later in life.

Exercise During Pregnancy
April 8, 2010 01:04 PM - David A Gabel, ENN

A new study from The Endocrine Society's Journal of Clinical Endocrinology & Metabolism (JCEM) has found that regular, moderate aerobic exercise for pregnant women can lead to a modest reduction in size of the offspring. The exercise was also found not to restrict the development of maternal insulin resistance.

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