Do Nootropics Work? An Honest Overview of the Category
'Nootropic' covers everything from caffeine to prescription stimulants to botanical blends, and the evidence varies enormously across t
6 August 2026Read →
Diet, exercise, alcohol and vascular risk — the interventions with the strongest evidence for cognition.
'Nootropic' covers everything from caffeine to prescription stimulants to botanical blends, and the evidence varies enormously across t
The brain depends on a dense network of small blood vessels, and anything damaging them affects cognition over time.
Alcohol suppresses REM sleep, interferes with memory consolidation and, at higher intakes, is associated with measurable brain changes.
Vitamin B12 deficiency can produce memory problems, confusion and fatigue, and it is one of the genuinely reversible causes of cognitiv
DHA is a structural component of brain cell membranes, and low intake is associated with poorer cognitive outcomes.
The MIND diet combines Mediterranean and DASH patterns, emphasising leafy greens, berries, nuts, olive oil, fish and whole grains.