Tag: cognitive function
What omega-3 may do to your brain – and which people benefit most from taking it
A 2025 review of 58 trials finds modest cognitive gains, with clear caveats.
Caffeinated coffee tied to lower dementia risk in 43-year study, decaf shows no benefit
The largest and longest coffee-and-brain study to date points to caffeine as the key ingredient.
One open window could fix the bedroom air that is quietly dragging down your sleep
Closed doors and sealed windows turn bedrooms into overnight pollutant traps, researchers say.
Napping 20 to 30 minutes sharpens the mind, but over an hour is linked to cognitive decline
A new peer-reviewed review pins down the nap sweet spot, and flags the risks of overdoing it.