Declan O’Regan
Professor of cardiovascular AI at Imperial College London and consultant radiologist, who discusses research on adipose tissue, visceral fat and cardiovascular ageing.
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Feb 24, 2026 • 17min
The truth about fat, and its complex role in our health
Declan O’Regan, professor of cardiovascular AI and consultant radiologist, explains how fat is an active, communicating tissue. He discusses visceral fat’s role in inflammation and cardiovascular ageing. Conversation highlights different fat types, why hip and thigh fat can help, limits of BMI and quick fixes, and how fitness interacts with dangerous fat.
