Children of the 90s: third generation joins pioneering UK study

Grandchildren, their parents and the original participants gather for 30th year of Bristol health project

It was a clinic with health staff in scrubs and masks and all sorts of scans, sensors and medical kits at the ready - but the atmosphere in the waiting area was more party-line than sombre.

I've always enjoyed coming here," said 30-year-old Sam Burton, who was with her mum, Deborah Burton, 61, and her daughter, Lily, three. When I was little, it was a day off school and it never felt like a medical trial, it was fun; now I feel we're part of something really important, something that has produced so much information, led to so much research."