Challenge: Spot the twin who smokes

JAPANESE researchers say they are a step closer to an oral treatment for diabetes, offering hope of a breakthrough for a disease racking the world.

http://www.news.com.au/lifestyle/health/photos-show-smoking-twin-looks-older-research-published-in-plastic-and-reconstructive-surgery/story-fneuzlbd-1226750898306?from=public_rss