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The Alzheimer's postcode lottery, giving up smoking and new technology to cure skin cancer. Those who live until 80 have a one in two chance of developing Alzheimer's; although those who live in developing nations are far less likely to get it. The programme also gives advice on how to stop smoking from those who have ditched the habit. There is a look at how ultrasound technology is being used the war against skin cancer and the benefits of reflexology.