All Health articles – Page 7
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FeatureDeadly mushroom chemistry
Can you tell the difference between a tasty paddy straw mushroom and a toxic death cap? Emma Shiells talks to the experts about the potentially deadly chemistry hidden in those gills
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FeatureHow much horse meat?
It's a simple enough question, but the media, the public and even government officials are having trouble understanding just how much horse meat is in some processed food. Ian Farrell makes sense of the confusion
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The MoleA nose for trouble
Ian Le Guillou finds out how new technology and chemistry are catching up with sniffer dogs in the race to rescue people trapped in disaster zones
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SoundbiteDetective work and food fraud
How did horse meat remain undetected in the food chain for long enough to reach supermarket shelves? Ian Farrell investigates
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ResourceOn This Day - May 31 : Louis Ignarro was born
Ignarro was co-awarded the Nobel Prize in Physiology or Medicine in 1998 for the discovery that nitric oxide (NO) acts as a signalling molecule, controlling the expansion and contraction of blood vessels.
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ResourceOn This Day – Jul 31 : Gene therapy in USA
Gene therapy uses DNA to treat disease, usually by replacing a faulty gene with a healthy copy. Recent clinical studies suggest this technique holds promise for the future treatment of Parkinson’s disease.
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ResourceOn This Day - Oct 24 : Henrik Dam found vitamin K
When Dam fed chickens a diet low in cholesterol, he found that their blood did not clot. However, he discovered that it wasn’t just cholesterol but also a vitamin that they were lacking. He called this Vitamin K, after the German word for coagulation, “koagulation”.
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ResourceOn This Day – Jul 22 : Selman Waksman was born
He coined the term ‘antibiotic’ and discovered streptomycin, the first drug that was effective against tuberculosis. He was awarded the Nobel Prize in Physiology or Medicine in 1952 for this work.
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ResourceOn This Day - Oct 16 : Ether as anaesthetic
After learning that inhaling ether causes unconsciousness, the American dentist William T. G. Morton experimented with it while extracting a tooth from a Boston merchant. Following this success, ether was used as an anaesthetic across the world.
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ResourceOn This Day - Jun 14 : Alois Alzheimer was born
He is recognised for identifying the first published cases of a progressive, degenerative brain disease that was eventually named after him. Today there are over 25 million sufferers of Alzheimer’s worldwide, but no known cure.
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ResourceOn This Day - Oct 12 : Iron lung respirator
An iron lung is a cylindrical container, encasing a person’s entire body apart from the head. It regulates air pressure to help a person breathe, and was first used to save the life of a young girl with polio.
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ResourceOn This Day – Sep 08 : Cholera outbreak
He mapped cholera outbreaks and rightly suspected the London water was contaminated. He removed the handle of the street pump in Broadwick Street in London, and now a “John Snow” pub stands beside the site of the original pump in his honour.
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ResourceOn This Day - Oct 01 : Thalidomide was marketed
This notorious drug was marketed as a mild sleeping pill that was safe even for pregnant women. It wasn’t until 1962 that the severe side effects were revealed, where it had caused the development of malformed limbs in babies.
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FeatureNitrous oxide: are you having a laugh?
Since its discovery, laughing gas has played its part in our dental surgeries, operating theatres and - more controversially - at our parties