Quitting smoking, even in later life, could help slow down age-related memory problems, a study has found. According to experts, the findings add to evidence that giving up cigarettes may help prevent dementia , but they stress that more research is needed. A team from UCL (University College London) examined the impact of smoking on age-related, cognitive decline, which is when a person’s ability to think, learn and remember gets worse as they get older. The study, published in the Lancet