Assertion: caffeine | /r/CapableOf | improve alertness
Facets:
Source sentences:
text: Mountains of solid research have shown us that caffeine (in doses ranging between 30 and 300 milligrams) improves attention, alertness, reaction time, and mood, especially when we’re tired.
text: Caffeine has some positive effects, as it can improve alertness, concentration, energy, clear-headedness, and feelings of sociability (2).