Scientists have hit on a theory about inflammation that could radically change the way we treat people with pain and depression. One doctor isn't waiting for proof.
[â¦] The average attention span of an audience is 7 minutes. Thus, the audience â students and business people alike â will only pay attention to a topic for 7 minutes, after that a change should be made to maintain audience attention.
Clearly, he says, face-touching is a common though highly variable behavior. But it's little-documented. The only similar published study, he says, was a 1973 observation of 124 adults seated in crowds for 30 to 50 minutes. Even in public, researchers saw 29 episodes of outright nose-picking and 33 eye rubs, Nicas says.