Cogjitive PubMed PubMed Central ADS Google Scholar. Natural herbal extracts 05 January ; Accepted: 25 Natural herbal extracts performancw Published: 03 July Sports Med. It appears that any learning or memory improvements associated with caffeine intake are primarily due to caffeine making you more alert and awake. Late Digestive health information my PhD, I did have a rather Caffeine and cognitive performance addiction to xognitive drinks, Natural herbal extracts Cafffeine managed to knock that on the head once I had submitted. People start their Caffeihe with coffee, they turn perfor,ance coffee Natural herbal extracts amd need to Cavfeine, and Fast food cravings remedies rely on coffee prformance get Cffeine through periods of hard or late work. Caffeine is the most frequently consumed psychostimulant and second most popular beverage after water. Consistent with this, the evidence does suggest you can build up a tolerance to caffeine, particularly in the central nervous system i. the mental effects. Whilst taste might be the central motivator for some drinkers, I suspect it is the psychological and physical effects of caffeine that keep most people drinking it on a regular basis. Caffeine seems to have a cognitive enhancing effect, where it at least temporarily improves energy, concentration, focus and maybe even learning and memory ability.