Arram Sabeti pulled back his T-shirt sleeve to reveal a disc about the size of a £2 coin implanted in his shoulder. “It’s a glucose monitor,” he said proudly. “I change it every two weeks.”
Sabeti is not diabetic. At 31, he is trim and, as he said proudly, “pretty damn healthy”. But he likes to watch, in real time, as his body reacts to what he eats. The founder of ZeroCater, a kind of high-end Deliveroo for businesses, he wants to live for a very long time.
Every three months he endures a battery of metabolic and body composition tests, as well as a blood panel, then collects all the data and stores it in an ever-growing spreadsheet. He takes metformin, a diabetes treatment that has been shown to extend the life and improve the health of mice.