A National Geographic investiga as causas profundas e eventuais efeitos do estresse.
John Heminway
Diretor/a
Elizabeth Blackburn
Self - Doctor, Molecular Biologist
Elissa Epel
Self - Professor, University of California, San Francisco
Marcus Lovett
Narrator
Michael Marmot
Self - University College Medical School, London
Bruce McEwen
Self - Neuroendocrinologist