An analysis of more than 1,000 people with and without psychiatric disorders has shown that nitrates—chemicals used to cure meats such as beef jerky, salami, hot dogs and other processed meat snacks—may contribute to mania, an abnormal mood state. Mania is characterized by hyperactivity, euphoria and insomnia.
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Study finds climate determines shapes of river basins
There are more than 1 million river basins carved into the topography of the United States, each collecting rainwater to feed the rivers that cut through them. Some basins are as small as individual streams, while others span nearly half the continent, encompassing, for instance, the whole of the Mississippi river network.
Heart Attack Risk on the Rise for Pregnant Women & Death Rate Remains High
The risk of having a heart attack while pregnant, giving birth, or during the two months after delivery, continues to increase for American women, a study finds.
Quick Soil Test Aims to Determine Nitrogen Need
Healthy soil contributes to healthy crops. Farmers know this, so they do what they can to ensure their soil is in good shape. They send samples of their soil for lab testing to find out if it is low in any important nutrients. If it is, they can take steps to improve the health of their soil. These might include adding fertilizers or growing cover crops that feed the soil.
Deadly, animal-borne viruses like Nipah on the rise
Infections like Nipah virus and Ebola have begun to appear more rapidly among human populations over the past twenty years, but experts have yet to conclude why this may be the case.
AI Technology Could Help Protect Water Supplies
Progress on new artificial intelligence (AI) technology could make monitoring at water treatment plants cheaper and easier and help safeguard public health.