Between 30 and 50 per cent of cancers could be preventable, and according to the International Agency for Research on Cancer (IARC) we're ignoring a big one.  In up to five per cent of all cancers, alcohol consumption plays a role. But the director of IARC says we're not doing enough to drive home the risk.  Guest/s Dr Elisabete Weiderpass, director of the International Agency for Research on Cancer of the World Health Organization   References Cancers attributable to alcohol - IARC Alcohol: a major preventable cause of cancer (IARC Evidence Summary Brief No. 6)