Does your breathing pattern change when you open your e-mail inbox or check your Blackberry? Do you hold your breath? Longtime TEDster Linda Stone has given a name — “e-mail apnea” — to what she describes as a “temporary absence or suspension of breathing, or shallow breathing, while doing e-mail”. She has researched how this disturbs our body’s balance of oxygen, CO2 and NO and impacts our nervous system. Take a deep breath and read her revealing diagnosis here.