The electronic implant can pinpoint why people faint - one of the symptoms often used to diagnose epilepsy. Fainting and blackouts are a common problem and account for around three per cent of all ...

Some people get about a half-hour of warnings before fainting; some people may get 30 seconds, he adds. What to do if you or someone else faints: Check that the person is breathing and has a pulse.

You may have heard that people who feel faint should sit with their heads between their knees, but is that true? And how can you tell whether you or someone else who has fainted should go to the ...

Should people who feel faint sit with their heads between their knees? How can you tell whether someone who has fainted should go to a hospital accident and emergency department – or even see a ...