In this Olympic sport, skiers have to slow their heartbeats during the times they have to shoot
: In this Olympic sport, skiers have to slow their 
heartbeats during the times they have to shoot  BANNED BOOKS: England 
indicted... [DOC] [TLE] Health beat: Olympic biathletes learn to master their breathing ... [PAR] Feb 15, 2014 ... Olympic biathletes need just 30 seconds to unshoulder their rifles and ... 
heartbeats became the go-to explanation of how the sport works  ... Biathletes 
do slow down entering shooting zones to try to reduce their heart rates.