SUNDAY, Feb. 3 (HealthDay News) — Irish researchers hope to prove that a dog's keen sense of smell gives it the ability to watch over the blood sugar levels of diabetics.

Canines have already shown themselves capable of leading the blind, alerting the deaf, and helping the physically disabled with daily tasks.

But researchers at Queen's University in Belfast, Northern Ireland, are taking the "helpful companion" idea one step further by gathering scientific evidence that could verify dogs can reliably detect dangerous blood sugar level drops in diabetics.

"Anecdotal reports suggest that some dogs can perform early warning of hypoglycemia by using their sense of smell to 'sniff out' if their owner's blood sugar levels are dropping," said lead researcher and psychology professor Deborah Wells. read more