<p>Joined by BBC Brazil reporter Camilla Mota, presenter Claudia Hammond discusses new research from the U.S. that has found that people who have had a vaccine against shingles seem to be aging more slowly.</p><p>We hear from James Tibenderana, Chief Executive of Malaria Consortium about research from Brazil that shows that as deforestation expands, mosquitoes are increasingly using humans as a blood source instead of wildlife. What does this mean for the spread of mosquito-borne diseases?</p><p>Plus, why does Brazil have a particularly high number of supercentenarians? And could swearing make you stronger?</p><p>Presenter: Claudia Hammond Producer: Hannah Robins Assistant Producers: Jonathan Blackwell and Anna Charalambou</p>