Europcar faces questions over Pierre Rolland's cortisol levels

Pierre Rolland wins, Tour de France 2012, stage 11

A mini storm broke out the day after the end of the Criterium du Dauphine when French sports daily l'Equipe reported that Europcar rider Pierre Rolland had started the final stage, despite medical advice to the contrary.

Rolland and the rest of the Europcar team were subjected to a blood test early on Sunday morning, where the French climber's cortisol levels were found to be abnormally low. Cortisol is a hormone produced by the adrenal glands and its level in the body rises and falls depending on a number of factors.

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