Assertion: soft drink's caffeine | /r/Causes | jitteriness
Facets:
Source sentences:
text: Caffeine can cause jitteriness, rapid heart rate, high blood pressure, anxiety, and sleep disturbances in kids, which is why beverages containing caffeine should be restricted based on age ( 29 , 30 ).
text: Caffeine can cause nervousness, anxiety, jitteriness, stomach upset, rapid heart rate and trouble sleeping – but doesn't increase kids' energy levels!