It is fresh air and forests. . .
???
It was a study about health. . .
???
It was not until the 21st century. . .
???
It isn't smart phones. . .
???
It was my grandparents. . .
???
It was Sir Isaac Newton. . .
???
It was in Italy. . .
???
It was only when she got her test results. . .
???
It wasn't an argument. . .
???
It's only when we get sick. . .
???
