Smoking may be among the most important lifestyle factors affecting how quickly our cognitive skills decline as we age, suggests a new study led by UCL researchers. The study, published in Nature Communications, analyzed data from 32,000 adults aged 50 or over from 14 European countries who responded to surveys over 10 years. The researchers investigated how rates of cognitive decline might differ among cognitively healthy older adults with different combinations of health-related behaviors, including smoking, physical activity, alcohol consumption and social contact. Cognitive function was assessed according to participants’ Read More