But it is also generated in excess by cancer cells as they proliferate — numerous studies have identified its presence in saliva as an early warning sign for mouth cancer. The lollipop test ...

A "legendary" lollipop man has hung up his stop sign after 23 years helping thousands of youngsters to safely cross the road.

John Astley has retired after decades helping students cross the road A "legendary" lollipop man has hung up his stop sign after 23 years helping thousands of youngsters to safely cross the road.