People with a rare condition experience "pauses" in their heart beat that cause them to faint. A new procedure could change their lives, research suggests.
For Sarah Hall, every mealtime was dangerous.
She has a rare condition called cardioinhibitory syncope, which causes overactive nerve signals to tell the heart to stop beating in response to subconscious bodily processes, such as swallowing. Swallowi... [5377 chars]