In a show not to be sneezed at, we look at the evidence that coughs and sneezes are linked to heart attacks. We also probe the Flu Survey, a new citizen science initiative to gather data on the incidence of influenza-like illnesses in the European population; we talk to the company who are mass producing flu vaccines in tobacco plants and catch up with the Columbia University scientific adviser on Contagion, Hollywood's latest infectious offering. Plus, why babies don't tie their umbilical cords in knots and news of a new fat-busting injectible that selectively destroys adipose, evidence... Like this podcast? Please help us by supporting the Naked Scientists