But there are nasty side effects like nervous twitching, excessive caffeine consumption — which may cause the twitching, now that I think about it — and general goofiness.) (susankayequinn.com)
And so most tarsands extractors (except those who own refineries) are now bleeding cash; many banks have developed nervous twitches; and thousands of workers have found themselves unemployed. (resilience.org)
As such, deficiencies of these nutrients can eventually result in increased anxiety, cognitive issues, trouble sleeping, difficulties to concentrate and even nervous twitching. (nourishinghope.com)