(HealthDay)—You risk serious injury if you consume or handle food and drink products where liquid nitrogen is added just before consumption, the U.S. Food and Drug Administration warned Friday.
Aug 31, 2018
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Medicines used to prevent bone loss may help lower the risk of ovarian cancer according to research by The University of Queensland.
Jun 17, 2022
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The older we get, the greater our risk of developing osteoporosis becomes. The fragile bone disease affects about 9 million Americans, and experts from the National Osteoporosis Foundation predict that it will be responsible ...
Aug 23, 2013
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Nearly 2 million new cases of pediatric asthma every year may be caused by a traffic-related air pollutant, a problem particularly important in big cities around the world, according to a new study published today. The study ...
Jan 5, 2022
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Exposure to air pollutants—even at levels below World Health Organization air quality guidelines—may trigger a heart attack within the hour, according to a new study from China that found the risks were highest among ...
Apr 22, 2022
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Short-term exposure to air pollution may be linked to an increased risk of stroke, according to a meta-analysis published in the September 27, 2023, online issue of Neurology. Short-term exposure was defined as occurring ...
Sep 27, 2023
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Research from King's College London provides the first evidence of an association between air pollution and psychotic experiences in adolescence.
Apr 1, 2019
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People exposed to higher levels of air pollution before the pandemic had lower antibody responses to COVID-19 vaccines, according to a study led by the Barcelona Institute for Global Health (ISGlobal), in collaboration with ...
Apr 5, 2023
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Pancreatic cancer is now the third leading cause of cancer mortality. Its incidence is increasing in parallel with the population increase in obesity, and its five-year survival rate still hovers at just 8 to 9 percent. Research ...
Aug 15, 2017
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The study, published recently in Circulation Research and led by a team from King's College London, has investigated how nitrogen dioxide can impact the cardiovascular system.
Jun 26, 2020
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Nitrogen (pronounced /ˈnaɪtrədʒɨn/) is a chemical element that has the symbol N and atomic number 7 and atomic mass 14.00674 u. Elemental nitrogen is a colorless, odorless, tasteless and mostly inert diatomic gas at standard conditions, constituting 78% by volume of Earth's atmosphere.
Many industrially important compounds, such as ammonia, nitric acid, organic nitrates (propellants and explosives), and cyanides, contain nitrogen. The extremely strong bond in elemental nitrogen dominates nitrogen chemistry, causing difficulty for both organisms and industry in converting the N2 into useful compounds, and releasing large amounts of energy when these compounds burn or decay back into nitrogen gas.
The element nitrogen was discovered by Daniel Rutherford, a Scottish physician, in 1772. Nitrogen occurs in all living organisms. It is a constituent element of amino acids and thus of proteins, and of nucleic acids (DNA and RNA). It resides in the chemical structure of almost all neurotransmitters, and is a defining component of alkaloids, biological molecules produced by many organisms.
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