Russian curling team Alexander Krushelnitsky and Anastasia Bryzgalova
It makes no logical sense that an athlete would do a one-time consumption of a chemical that is of no value in circumstances where it is almost certain to be detected with huge negative consequences.
That is precisely the situation. The Russian Mixed Curling bronze medal winner, Alexander Krushelnitsky, had to give up his medal, plus that of his partner wife, because traces of meldonium were found in his urine sample. He had previously tested clean. Meldonium is a medication which helps keep the heart healthy by increasing blood flow.
That would be of no benefit in a sport like curling which requires accuracy, strategy and focus but is not taxing physically. The "sweeping" to help guide the rock down the ice lasts only 20 seconds or less. International curlers were astounded at the news and bemused at the idea of performance enhancing drugs (PEDs) for curling. The skip of the Danish curling team said "I think most people will laugh and ask, 'what could you possibly need doping for?"
Comment: Notice the mainstream media has minimal coverage of this latest 'gas attack' on Syrian civilians and now the US is backing away from the incident. Seems Russia foiled their plans by exposing the false flag operation before it happened.