Caz Graham joins the Gloucestershire Wildlife Trust vaccinating badgers.
Welsh poet and writer Owen Sheers hears about plans for a badger cull in Pembrokeshire.
Caz Graham speaks to Devon farmers who support proposals for a badger cull to control TB.
Can an adult's health - programmed in early life - be passed on to their children?
Epidemiologist Prof George Davey-Smith talks to Jim Al-Khalili about health inequalities.
Dr Gro Harlem Brundtland examines issues surrounding health in developing countries.
Dr Mark Porter on if adult health is determined by the first thousand days of life: Womb.
Professor Martha Clokie on the viruses that destroy antibiotic-resistant bugs.
Where will the next pandemic come from and how can it be stopped? Tom Heap investigates.
Do more aggressive and unknown outbreaks lie in our future, and how can we contain them?
Jim Al-Khalili talks to Professor Sir Michael Marmot about his work on how stress kills.
Exploring the academic discipline which tries to work out why the health gap exists.
Jim Al-Khalili meets Prof Sunetra Gupta, a scientist and novelist.
The battle over badger culling and the controversy of how to tackle TB in cattle.
TB vaccination to replace culling in badgers; Neil Shubin on the wonders of evolution.
Melvyn Bragg and his guests discuss the origins of infectious disease.
Tracking the virus hunters who race to understand and extinguish new pathogens.