Michael Corcoran caught up with Cian Healy ahead of Ireland's Rugby World Cup opener against Scotland and got some insight into the quantity of coffee the squad are consuming

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Follow Ireland v Scotland on Sunday (kick-off 8.45am) via the live blog on RTÉ.ie/Sport and  the News  Now  App, watch live on RTÉ2 from 8am or listen to live match commentary on RTÉ Radio 1.