Six Indian athletes - five women and one man - were suspended after failing doping tests on Friday.
Because a breath test is non-invasive and the results are instantaneous, it could prove even more convenient for example in anaesthesia or doping tests.
Mayer's presence in Pragelato sparked a police raid, late night doping tests for Austrian athletes and a bizarre car chase involving Mayer and the Austrian police.
The 20-year-old Belgian, who won her appeal against a one-year ban for failing to report her whereabouts for doping tests, defeated top seed Flavia Pennetta 6-3 6-2 to clinch her third WTA Tour title.
The team has adopted the toughest of anti-doping regimes, including fortnightly tests for all its riders.
ECONOMIST: The Tour de France is hoping to beat the drug cheats
Prudhomme also argued that the Tour titles taken away from Spaniard Alberto Contador and American Floyd Landis for doping offenses suggested the current tests do work.
The figures didn't include tests carried out by national doping agencies and at the Olympics and Paralympics.
Dr Shuabe Manjra, Chairperson of the South African Institute for Drug Free Sport (SAIDS), under whose auspices random tests are done by qualified doping control officers, says marijuana does not enhance the performance of a player.
Did bosses at the top of the sport, in the International Cycling Union, know about your doping, did they cover up positive tests, tip you off to tests, take money to look the other way and, if so, will you name and shame?
Since 2011, 12 amateur cyclists in America have been sanctioned for testing positive for banned substances or skipping mandatory drug tests, according to U.S. Anti-Doping Agency.
Several additional athletes, including a Moldovan track athlete, have been expelled by their countries' national organizing committees for doping but aren't included in the official Games count of positive tests.
Torri has a reputation for being uncompromising in the battle against doping, having charged sports personalities in the past even when they argued that their positive tests were the result of accidents.
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