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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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