, too much caffeine or its coffee equivalent can cause anxiety or other unwanted side effects.
how certain gene variants influence this process. To make matters more complicated, this response can vary over different populations that may have evolved to tolerate more or less caffeine.that drink coffee every day to quit tomorrow, you’d likely be met with a resounding “no.
other hallmarks of substance abuse and dependence, like absence from important social or work situations, use in physically dangerous situations or legal issues. To equate caffeine dependence with more serious substance use issues would serve to minimize them, Cornelis says.