Frontiers - Alcohol

Sue Nelson goes behind the headlines to find out how alcohol affects our health. The impact of drink on our health is rarely out of the news, but information can be confusing. Latest studies link even moderate drinking to an increased risk of cancer, while others claim alcohol reduces heart disease. Sue talks to experts in the field and learns that despite links to cancer being known for 100 years, understanding the actual mechanisms in the body remains under-researched and under-funded.