The Spaniard, who is currently 42, has already defied doubters who reckoned that F1 drivers would be long past their prime once they were out of their thirties.
Now, as he ponders his next steps in F1 with his current Aston Martin contract coming to an end later this year, the two-time world champion says a change of diet and a new approach to fitness has led him to conclude that he has a lot of racing left in him.
