"But a baby who has a defect in those brain stem circuits that use serotonin can't do that when challenged and they go on to die."
VOA: standard.2010.02.08
Mrs Lunt, 55, was unaware her son had been suffering from an undiagnosed heart defect which can cause hypertrophic or dilated cardiomyopathy and lead to sudden death syndrome.
After Monday's fire, the big question for Boeing will be whether the issue is a manufacturing defect, which can be fixed relatively cheaply, or a design flaw, which might require expensive redesign and rework on existing planes, said Citi analyst Jason Gursky.
If that rival network is offering an attractive promotion that might cause the subscriber to defect, he or she can then be offered an incentive to stay.