I read this and assumed he got heart palpitations from Soylent. The closest I could find was this article https://www.theatlantic.com/health/archive/2014/04/the

I read this and assumed he got heart palpitations from Soylent. The closest I could find was this article https://www.theatlantic.com/health/archive/2014/04/the-man-who-would-make-eating-obsolete/361058/ https://www.theatlantic.com/health/archive/2014/04/the-man-w... that mentions that he had heart arrhythmia -- but while developing Soylent early on and _deviating_ from the USDA recommendations (specifically with the amount of potassium). From that he concluded that Soylent should adhere to the USDA recommended values, which it does.