How do elite athletes conquer their nerves?
How do elite athletes keep calm on the big stage? Dr. Sanjay Gupta looks at the science behind keeping calm.
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Rio 2016 Olympics 92 videos
RIO DE JANEIRO, BRAZIL - AUGUST 11:  Michael Phelps of the United States celebrates winning the Men's 200m Individual Medley Final on Day 6 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 11, 2016 in Rio de Janeiro, Brazil.  (Photo by Al Bello/Getty Images)
How do elite athletes conquer their nerves?
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U.S. gymnast Simone Biles won a record-tying four gold medals and one bronze as she dazzled the crowd with a mix of elegance and athleticism rarely seen in the sport.
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Jamaica's Usain Bolt (C) jokes with Canada's Andre De Grasse (L) after they crossed the finish line in the Men's 200m Semifinal during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 17, 2016.   / AFP / OLIVIER MORIN        (Photo credit should read OLIVIER MORIN/AFP/Getty Images)
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European Olympic Committee (EOC) President Patrick Hickey gives a press conference after the EOC's 37th general assembly in Istanbul on November 22, 2008. AFP
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RIO DE JANEIRO, BRAZIL - AUGUST 08:  Kerri Walsh Jennings of United States celebrates during the Women's Beach Volleyball preliminary round Pool C match against Fan Wang and Yuan Yue of China on Day 3 of the Rio 2016 Olympic Games at the Beach Volleyball Arena on August 8, 2016 in Rio de Janeiro, Brazil.  (Photo by Ezra Shaw/Getty Images)
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RIO DE JANEIRO, BRAZIL - AUGUST 16:  Giles Scott of Great Britain celebrates winning the gold medal in the Finn class on Day 11 of the Rio 2016 Olympic Games at the Marina da Gloria on August 16, 2016 in Rio de Janeiro, Brazil.  (Photo by Clive Mason/Getty Images)
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RIO DE JANEIRO, BRAZIL - AUGUST 08:  Ibtihaj Muhammad of the United States looks on during the Women's Individual Sabre on Day 3 of the Rio 2016 Olympic Games at Carioca Arena 3 on August 8, 2016 in Rio de Janeiro, Brazil.  (Photo by Patrick Smith/Getty Images)
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China's Fu Yuanhui poses with her bronze medal on the podium of the Women's 100m Backstroke during the swimming event at the Rio 2016 Olympic Games at the Olympic Aquatics Stadium in Rio de Janeiro on August 8, 2016.   / AFP / GABRIEL BOUYS        (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)
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RIO DE JANEIRO, BRAZIL - AUGUST 09:  (R to L) Gold Medalists Simone Biles, Gabrielle Douglas, Lauren Hernandez, Madison Kocian and Alexandra Raisman of the United States stand on the podium for the national anthem at the medal ceremony for the Artistic Gymnastics Women's Team Final on Day 4 of the Rio 2016 Olympic Games at the Rio Olympic Arena on August 9, 2016 in Rio de Janeiro, Brazil.  (Photo by Alex Livesey/Getty Images)
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BEIJING, CHINA - AUGUST 27:  Usain Bolt of Jamaica celebrates after crossing the finish line to win gold in the Men's 200 metres final during day six of the 15th IAAF World Athletics Championships Beijing 2015 at Beijing National Stadium on August 27, 2015 in Beijing, China.  (Photo by Cameron Spencer/Getty Images)
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