But no rigorous studies have shown being short to be a serious social liability.

Only a large and rigorous study could answer the questions.

Then he would transfer to this place and do rigorous studies there.

Almost no rigorous studies of the programs have been carried out, the researchers report.

However, more rigorous studies have concluded that this is not the case.

"Ultimately, you have to do really rigorous study to help sort things out like that," he said.

A more rigorous study of 2,000 such women in seven countries is now under way.

But the final results of a more rigorous study will be released by the health department on Tuesday.

"In the last 20 years, a growing body of rigorous scientific studies have shown health benefits."

But he said that a rigorous scientific study was required.