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Aubrey de Gray, the godfather of the longevity movement, has catered his research on how to put the breaks on ageing. Passionate about slowing the ageing process, the biomedical gerontologist and chief science officer co-founded the SENS Research Foundation to help fund research on living a longer life.

Today, de Gray shares ways we can slow ageing. We discuss the definition of ageing, why we're living longer now than those who lived in the 19th century, and how nutrition plays a part in longevity.

We talk about:

• What made de Gray want to study ageing
• The definition of ageing and why we age
• The lifelong process and late-life process
• Ways to extend our lives
• The history of age longevity and medicine
• Nutrition and age longevity