A new survey says that that nearly one-quarter of adults in the U.S. have NOT done this in the last year. What is it?

A new survey says that that nearly one-quarter of adults in the U.S. have NOT done this in the last year. What is it?

A new survey says that that nearly one-quarter of adults in the U.S. have NOT done this in the last year. What is it?

Clue: You can do this anywhere, alone or in the company of people.