我的暑假第九天：Chemists have been studying why people cry
They say the body produces two kinds of tears
One kind cleans out the eye if it gets dirt in it
But when people cry because of their feelings, these tears have poisonous chemicals in them
The body is getting rid of chemicals produced by strong feelings
In the United States men have heart diseases more often than women do
Doctors say heart disease and some other diseases are related(有关的) to the pressures of living and working in a modern society
Perhaps men suffer more from these diseases because they do not cry enough
And it is possible that as more and more women work outside the home, they will also suffer from more pressure
Then everyone will need to cry more
Which of the following is happening now
More men than women are
