circadian health Truth Over Spin – E5 Alan Cassels Discusses His Book, Seeking Sickness (2012) Pam Andy Oudman and Pam Killeen speak with Alan Cassels about his book, Seeking Sickness, and the inefficiencies and potential harms of current medical practices, particularly in breast and prostate cancer screenings. Circadian Reboot – E21 Richard Syrett Interviews Pam Killeen about the War on Sleep Pam Richard Syrett interviews Pam Killeen about the modern epidemic of sleep deprivation and its impact on health.