What can we learn about longevity from the Queen?published at 10:28 British Summer Time 20 April 2016
As she enters her 10th decade, there are few signs the Queen is slowing down.
Last year alone she carried out 306 engagements in the UK and 35 abroad.
What is the secret of the Queen's longevity? BBC Magazine takes a look at the factors, from her good genes to her marriage to the Duke of Edinburgh.