dementia

New research has linked the changes to a 60% increased likelihood of developing the condition.
A study has linked the strength change to the condition.
The association seemed to be stronger for men.
A new study has linked drowsiness to the condition.
It's only worth worrying about if you notice some mental changes too, however.
A new study found poor sleep can age your brain by nearly three years in mid-life.
It has an interesting effect on our memory, mood, and health, studies suggest.