<p>Chris and Xand continue their conversation about immune health with Prof Dan Davis, Head of Life Sciences and Professor of Immunology at Imperial College London.</p><p>The doctors want to know more about the deeper biology of the immune system. Is it true that a bit of stress prevents infection, while chronic stress is detrimental to your immune system? Why does intense exercise drop the immune response? They also examine autoimmune diseases, what they are and what they do to the body.</p><p>If you’d like to share your thoughts on this or any other topic covered on the podcast, you email us at [email protected] or Whatsapp on 08000 665 123.</p><p>Presenters: Drs Chris and Xand van Tulleken Guest: Prof Daniel Davis Producer: Faye Lyons-White Executive Producer: Rami Tzabar Editor: Jo Rowntree Assistant Producer: Maia Miller-Lewis Researcher: Mili Ostojic Tech Lead: Reuben Huxtable Visual Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Melvin Rickarby</p><p>At the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian Roberts</p><p>A Loftus Media production for BBC Radio 4.</p>