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Hello, and welcome back to Everyday Science.
Suppose you eat five a day, go to a gym and take the latest supplements. What else can you do to maximise your chances of a long and healthy life?
Some might say it’s to lie down inside a huge medical imaging machine for an hour or two while it scans your whole body, looking for cancer or any other medical problems that haven’t begun to cause symptoms.
These scans are soaring in popularity, increasingly being advertised with celebrity endorsements and provided by reputable medical companies.
