Hepatitis B vaccine, Sheds, Obesity Paradox, Taking part in clinical trials

The Hepatitis B vaccine has been added to the childhood national programme joining the 5 vaccines already given to all young babies at 8, 12 and 16 weeks. Andrew Pollard, Professor of Paediatric Infection & Immunity at the University of Oxford, and Chair of the Joint Committee on Vaccination and Immunisation, explains why.Margaret McCartney and Mark Porter visit men in north London looking for the physical and mental benefits of community sheds. The obesity paradox - can being overweight sometimes be beneficial? Gavin Murphy, British Heart Foundation Professor of Cardiac Surgery at the University of Leicester and Naveed Sattar, Professor of Metabolic Medicine at the University of Glasgow, debate the latest research suggesting that obese people are more likely to survive heart surgery than their slimmer peers. Are clinical trials good for you? We examine the evidence behind conventional wisdom that people taking part in research tend to fare better - whatever their illness.