Tag: cognitive function

Ultra-processed food may be quietly dulling your focus, even if you eat well otherwise

A large new study finds a packet of chips a day is enough to move the needle on attention.

Speaking four languages could make your brain up to 13 years younger

A new study using an AI brain-age clock finds a steep gradient, with polyglots looking the youngest.

TikTok’s favorite brain mushroom has real science behind it, and real limits

The mechanism is plausible and small trials look promising, but human evidence remains thin.

The brain chemical that spikes during exercise may protect your memory for decades

Aerobic exercise reliably raises a protein called BDNF, and researchers say it may be the clearest link yet between movement and a slower-aging brain.

Nearly half of adults over 65 are actually getting sharper and stronger, not weaker

A 12-year Yale study of 11,000 older adults flips the usual story on its head.

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.