Most dementia research stops in the early eighties. A new Lancet Healthy Longevity study followed 805 adults who were already 90 or older — and found that risk does not level off, while the best-known Alzheimer’s risk gene did not predict who developed dementia.

At BrainSavers, we know sleep is a cornerstone of brain+body fitness. It sharpens memory, stabilizes mood, boosts focus, and protects against cognitive decline as we age. Yet sleep deficiency is all too common — and preventable. Sleep deficiency occurs when you get too little sleep, sleep at irregular times, experience poor-quality sleep, or have an untreated sleep disorder. It is not just about feeling groggy; it impairs daily function and raises risks for serious health is