Quitting Smoking After 40 Linked to Slower Memory Decline by up to 50%

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London – Older people who quit smoking not only improve their physical fitness and health. An analysis of data from three observational studies, now published in Lancet Healthy Longevity (2025; DOI: 10.1016/j.lanhl.2025.100753), shows that the decline in cognitive performance in old age is also reduced in the long term...