Stress and Cancer, plus Pluto

Description

Can stress accelerate the spread of cancer? Every day in Australia 360 people learn they have cancer. It goes without saying it's a very stressful time. Stress as a cause of cancer has not been convincingly proven but recently researchers have been looking at how stress drives the spread of an existing cancer from the original tumour. They've identified pathways caused by stress that facilitate the spread of breast cancer cells around the body. What's more remarkable, the researchers may have found a way to prevent it. Guest reporter, oncologist Dr. Ranjana Srivastava investigates. The extraordinary secrets of Pluto. Pluto may have been demoted to dwarf planet status, but recent studies reveal it's an extraordinarily exotic world. Its home to the biggest ice cubes in the solar system, a chain of water ice mountains kilometres high. It has ice volcanoes, which don't erupt lava, they erupt ice, and it even has dried up lakes of liquid nitrogen. Catalyst reveals Pluto's secrets with mind boggling beautiful pictures.

Runtime

28 min 43 sec

Series

Subjects

Database

Films on Demand

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