Life & LuxuryHealth & WellnessDementiaWant to stay sharp after 40? Cut these six daily habitsProlonged sitting and social media scrolling are examples of particularly problematic behaviours that may accelerate brain ageing after 40.Maintaining an active social life and exercising regularly are two ways we can slow cognitive decline. Bethany RaeDavid CoxAug 20, 2026 – 5.00amDo you find it harder to multitask than you once did? Are you more sensitive to distractions or find that you take slightly longer to process new information?Each of these signs are little hints of midlife brain ageing, something that affects all of us to a certain extent.The Telegraph LondonSubscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Latest In Health & wellnessFetching latest articles