About half of American adults drank a cup of coffee today. But did they sip because it’s ingrained in their morning routine, or because they are truly dependent on caffeine for the energy boost it ...

Let's do a thought experiment. Round up 300 harried commuters with headaches—not hard to do on the New York subway any workday at rush hour. Of course, they are probably shouting and whining, which ...

Add Popular Science (opens in a new tab) Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Get the Popular ...

Add Yahoo as a preferred source to see more of our stories on Google. Study suggests that ambient dopamine levels in the brain do not influence the strength of the placebo effect. The placebo effect ...