Professor Peter McNaughton asks what is pain, how it is signalled by the body, how do drugs combat pain, including opiates, cocaine and marijuana, and how are new pain-killing drugs made?
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Tooth decay occurs indirectly through the action of acids produced in the mouth by bacteria which inhabit plaque, and directly through the action of acids present in the foods we eat. Dentist Steve Jones describes how to tackle the problem of tooth decay.
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Archaeologists piece together what life was like in the past. Dr. Charly French describes the techniques at the disposal of todays' archaeologists, including geophysics, radio-carbon dating, soil analysis, crop marks and the use of DNA to trace ancestry.
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Malignant disease, or cancer, occurs in many different forms and is the consequence of genetic mutations. Helena Earl, consultant oncologist, joins us to discuss what causes cancer, how does cancer spread (metastasise), and how can cancer be treated?
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Many people live without access to fresh water, sanitation and basic healthcare. Professor Eldryd Parry from the Tropical Health and Education Trust (THET) joins us to discuss life in the third world, and the provision of medicine in the tropics.
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How do drugs of abuse, incluing ecstasy, cocaine, heroin, marijuana and amphetamines, affect our brains and bodies ? Professor John Henry, from St. Mary's Medical School London, joins the Naked Scientists to tell us how.
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Sexually Transmitted diseases (STDs / STIs), including chlamydia, gonorrhoea, syphilis, genital warts and HIV, are becoming increasingly common. Dr. Sarah Edwards, consultant genito-urinary (GU) medicine physician, joins us to talk about how to prevent and treat sexually transmitted diseases.
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The skin is the largest human organ. Dr. Jane Sterling, consultant dermatologist, joins the Naked Scientists to talk about common skin problems including acne, eczema, allergies, skin cancer, does chocolate cause spots, and should oyu squeeze a spot ?
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The Body Clock comprises a small collection of nerve cells in the base of the brain which are responsible for our daily (circadian) rhythms. Dr. Kourosh Saeb-Parsy joins us to talk about how the body clock works, and what happens when it goes wrong, as in jet lag and seasonal affective disorder (SAD).
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Fossils provide a window to past life on earth. Dr. Leslie Noe discusses what are fossils, how do fossils form, where to find fossils, recent dinosaur bone excavations, and a look at some fossilised dinosaur bones.
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Cannibalism and Prion diseases, Doctors pay less insurance, exercise is good for pregnant women, the winter 'Flu epidemic, The male contraceptive pill, French toilets, and an Interview with TV's Johnny Ball
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An insulin inhaler to treat diabetes, left-handed people die younger than right-handed, Scientists crack the genetic codes of E. coli O157 and the rice plant, city-living pigeons have more sex than rural pigeons (but die sooner !) PLUS an interview with Dr. Sarah Edwards, Consultant Genito-Urinary Medicine Physician talks about sexually transmitted diseases, including herpes, genital warts, syphilis, chlamydia, gonorrhoea and HIV.
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Kourosh Saeb-Parsy joins ScienceWorld to discuss the human body clock and circadian rhythms, including where the body clock is located, how it works, what is jet lag and how do we become jet lagged, and do other animals have a body clock ?
Plus programmes on TV can affect your diet, a new scalpel that can diagnose cancer, can mobile phones cause cancer in the eyeball ? Also, a dolphin-friendly fishing net and why is snot green ? A new approach for treating diabetes...
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Professor Susan Greenfield joins ScienceWorld to discuss how the brain works, including what are memories, how are memories formed, what is consciousness and how does the brain generate consciousness.
Tarantula-venom may hold the key to treating heart-disease, Women view men with deeper-voices as more attractive, Economy Class Syndrome (DVT), Mobile Phone Mania, an Electric fence needing no fence, and a home-made diesel recipe.
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