UNIGE researchers have shown that the decline in cognitive abilities after 50 years of age results in a decline in physical activity, and that – contrary to what has been suggested by the literature to date – the inverse relationship is much weaker.
Someone dies somewhere in the world every 10 seconds owing to physical inactivity – 3.2 million people a year according to the World Health Organization (WHO). From the age of 50, there is a gradual decline not just in physical activity but also in cognitive abilities since the two are correlated. But which of them influences the other? Does physical activity impact on the brain or is it the other way around? To answer this question, researchers from the University of Geneva (UNIGE), Switzerland, and the NCCR Lives Swiss National Center of Competence in Research used a database of over 100,000 people aged 50-90 whose physical and cognitive abilities were measured every two years for 12 years. The findings, which are published in the journal Health Psychology, show that – contrary to what was previously thought – cognitive abilities ward off inactivity much more than physical activity prevents the decline in cognitive abilities. All of which means we need to prioritize exercising our brains. Continue reading