Are F1 drivers clean of performance enhancing drugs?

Daniil Kvyat has dismissed suggestions F1 drivers are at risk of being caught taking meldonium, a newly-banned performance enhancing drug.

Over 100 international athletes, mainly Russian, have tested positive for the substance since it was recently prohibited, with tennis star Maria Sharapova claiming she took it for genuine health issues.

But it is argued the drug also has performance-enhancing qualities, leading to Russia's only F1 driver Kvyat on Wednesday being asked if he has taken it.

"Of course not," he is quoted as saying by Tass news agency.

"I think doping would do little to help the drivers in formula one," the 22-year-old insisted. "There are some tracks where we are at our physical limits, but usually we train enough to get through these races without problem."

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