All Health articles – Page 6

  • Police explosives sniffer dog and handler walking down street
    The Mole

    A nose for trouble

    2013-05-01T14:20:00Z

    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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    Detective work and food fraud

    2013-05-01T00:00:00Z

    How did horse meat remain undetected in the food chain for long enough to reach supermarket shelves? Ian Farrell investigates

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    2,4-dinitrophenol

    2013-01-01T00:00:00Z

    Simon Cotton investigates a molecule that is making the news

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    On 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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    On 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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    On 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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    On 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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    On 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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    On 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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    On 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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    On 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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    On 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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    Nitrous oxide: are you having a laugh?

    2012-03-01T00:00:00Z

    Since its discovery, laughing gas has played its part in our dental surgeries, operating theatres and - more controversially - at our parties

  • Cartoon scientist, female, long hair, clip board
    The Mole

    Claire Wagman: Formulation scientist at Unilever

    2012-01-01T13:36:00Z

    Clare works on improving the formulation of hair care products. She tells Josh Howgego what it’s like to work on products that are seen on supermarket shelves

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    Ruthenium compounds as anticancer agents

    2012-01-01T00:00:00Z

    New ruthenium-based compounds with fewer and less severe side effects, could replace longstanding platinum-based anticancer drugs

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    Feature

    Breath analysis

    2010-07-01T00:00:00Z

    Breath analysis - a non-invasive health check

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    Five rings good, four rings bad

    2010-03-01T00:00:00Z

    Fifty years ago steroid abuse among sportsmen and women was a serious problem. Today, thanks to the skills of analytical chemists, the sporting cheats rarely win

  • Pint of beer on a wooden table
    The Mole

    Ethanol

    2010-01-01T14:57:00Z

    That’s chemistry: The science behind alcohol

  • Snail escaping from a plate
    The Mole

    Snail Pie on the menu

    2010-01-01T09:45:00Z

    Are we missing out on a nutritous treat?

  • A woman with her arms out in the sun
    The Mole

    The sunshine vitamin

    2009-11-01T11:37:00Z

    Vitamin D is often called the sunshine vitamin, but what is vitamin D, why is it so important, and what evidence is there to link it to such a range of illnesses?