I have been consuming an average of 3 “Starbucks mug” amount of coffee for the past 2 months. For one, supply of coffee is ‘bottomless’ in my workplace and, given the location and facilities, it’s the only thing I can do to take a break from what I’m doing. Except for frequent trips to the urinal, I wasn’t experiencing any other side effects of excessive caffeine intake, until last week. I started to have lower eyelid twitching several times a day. I knew it was due to caffeine because I read it somewhere before that muscle twitches can sometimes be precipitated by caffeine, among others. I tried to look this up and here is what I found about it. Myokymia is the spontaneous, fine fascicular contractions of muscle without muscular atrophy or weakness. Eyelid myokymia typically involves the orbicularis oculi muscle of one of the lower eyelids; occasionally, the upper eyelids also can be affected. In most cases, it is benign, self-limited, and not associated with any disease. Inter...