Diesel fumes pose risk to heart as well as lungs, study shows
Tiny chemical particles emitted by diesel exhaust fumes could raise the risk of heart attacks, research has shown.
Jul 14, 2011
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Tiny chemical particles emitted by diesel exhaust fumes could raise the risk of heart attacks, research has shown.
Jul 14, 2011
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One in every nine people in Australia has asthma. It is a health burden for many children, and expensive for families because of medication, hospital and out-of-hospital expenses.
Feb 18, 2022
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New Zealand's Fonterra, the world's largest dairy exporter, said Monday that its milk was "100 percent" safe to drink despite tests finding trace elements of an agricultural chemical in milk powder.
Jan 28, 2013
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Research conducted at the University of Southern California (USC) indicates that at least 8 percent of the more than 300,000 cases of childhood asthma in Los Angeles County can be attributed to traffic-related pollution at ...
Sep 24, 2012
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Switching from general to regional anaesthesia may help cut greenhouse emissions and ultimately help reduce global warming, indicates a real life example at one US hospital over the course of a year, and reported in the journal ...
Jun 16, 2020
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Research carried out by scientists from the Peninsula Medical School at the University of Exeter and the National University of Singapore has analysed the complex 'cross talk' between hydrogen sulphide (H2S ) and nitric oxide ...
Jun 29, 2011
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Transportation and fossil fuel industries typically come to mind as major sources of pollution. Less noticed is the contribution of the healthcare industry, which emits nearly ten percent of greenhouse gases and other air ...
Dec 6, 2017
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Researchers from the University of Liverpool and University of the West of England, (UWE Bristol), have built a device that can read odours in urine to help diagnose patients with early signs of bladder cancer.
Jul 8, 2013
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It was early morning in an operating theater at Providence Hospital in Portland, Ore. A middle-aged woman lay on the operating table, wrapped in blankets. Surgeons were about to cut out a cancerous growth in her stomach.
May 10, 2019
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Having radiologists shut down their workstations (and monitors) after an eight hour shift leads to substantial cost savings and energy reduction, according to a study in the November issue of the Journal of the American College ...
Nov 1, 2011
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Gas is one of the three classical states of matter (the others being liquid and solid). Near absolute zero, a substance exists as a solid. As heat is added to this substance it melts into a liquid at its melting point (see phase change), boils into a gas at its boiling point, and if heated high enough would enter a plasma state in which the electrons are so energized that they leave their parent atoms from within the gas. A pure gas may be made up of individual atoms (e.g. a noble gas or atomic gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or compound molecules made from a variety of atoms (e.g. carbon dioxide). A gas mixture would contain a variety of pure gases much like the air. What distinguishes a gas from liquids and solids is the vast separation of the individual gas particles. This separation usually makes a colorless gas invisible to the human observer. The interaction of gas particles in the presence of electric and gravitational fields are considered negligible as indicated by the constant velocity vectors in the image.
The gaseous state of matter is found between the liquid and plasma states, the latter of which provides the upper temperature boundary for gases. Bounding the lower end of the temperature scale lie degenerative quantum gases which are gaining increased attention these days. High-density atomic gases super cooled to incredibly low temperatures are classified by their statistical behavior as either a Bose gas or a Fermi gas. For a comprehensive listing of these exotic states of matter see list of states of matter.
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