The caffeine then binds on to the adenosine receptors in the brain with the effect of halting the true adenosine from doing its job which normally would be to slow down the body's nerve impulses and bring a very sleepy feeling to the person, a natural drowsiness that is warded off by the...
If consuming a cup coffee is out of the question for some reason, and you want to stop feeling like crap, take some Excedrin: A two-pill dose packs about as much caffeine as an 8-ounce coffee. Want to kick your caffeine habit for good? Quitting cold turkey is a bad idea. Instead...