Chris Ledgard endures bars, clubs and flight paths to listen to speech through noise.
How the 1987 AIDS campaign 'Don't Die of Ignorance' transformed social attitudes.
Should a patient be tested for HIV to determine whether someone else may be infected?
Jane Hill meets Caroline Harding, who has two children with a rare genetic condition.
Jim Al-Khalili in conversation with Dr Jeremy Farrar, director of the Wellcome Trust.
Dr Mark Porter looks at Metabolic Syndrome, which can herald diabetes and heart disease.
Andrew Hosken examines claims of a dirty tricks campaign over Shaken Baby Syndrome.
Dr Mark Porter explores the science behind the dramatic cut in the number of cot deaths.
Neuropsychologist Dr Paul Broks considers anarchic limbs and split brains.
How the NHS responded to a new fatal disease, Aids, in the 1980s.
Edi Stark finds out about a little-know eye condition affecting thousands of UK people.