Should we listen to old people more? A group of 100-year-olds have shared their tips for a better and longer life.
100-year-olds reveal new ‘ten commandments’
Poetic lines: The face of the great writer WH Auden in old age, famous for its wrinkles. Glossary
Obesity - The medical condition of being very overweight. There are many ways of measuring this, including a BMI of 30 or more. (You can work out your BMI by dividing your weight in kilograms by your height in metres squared.)
Regret - To feel sorry about a situation, especially something sad or wrong or a mistake that you have made.
Wisdom - Being wise, having lots of experience, knowledge and good decision-making skills.