Kitty Duncan / An introduction to the key topic of altitude illness, including pathophysiology, HACE, HAPE, prevention and treatment.

Chris Imray and Colleagues / A review of frostbite, including including prevalence, pathophysiology, clinical presentation, treatment, where to get advice and recent advances such as telemedicine.

Alistair Simpson / Alistair is a former Medical Officer with the British Antarctic Survey who has lived for 16 months in Antarctica. He tells us what we need to know about hypothermia and Avi Aujayeb share his experience of getting cold up high.