The document summarizes research on youth smoking in the UK. It finds that nearly 90% of regular smokers start before age 21, and there are over 3 million youth smokers in the UK. Despite laws raising the minimum purchase age to 18, children still obtain cigarettes from shops and vending machines. The document discusses a study conducted at a non-smoking college campus, where students were surveyed about their smoking behaviors and influences. It was found that 2 in 3 students smoke daily, though 55% of those who tried cigarettes did not enjoy them. Experts interviewed expressed concerns that youth smoking is a growing problem and can lead to use of other substances.