A weak body clock may be an early warning for dementia

Your daily rhythm may matter more for brain health than previously thought. Older adults with weaker, more disrupted activity patterns were far more likely to develop dementia than those with steady routines. A later daily energy peak was also linked to higher risk. The study points to the body clock as a possible early warning sign for cognitive decline.

source https://www.sciencedaily.com/releases/2026/01/260103155026.htm