research study

There are lots of ways to make a buck, but becoming a human guinea pig for drug research has to be one of the oddest.

"We are selling our bodies, most definitely," says Paul Clough, who has taken part in more than 80 drug tests in the past 11 years. "Well, renting," might be more accurate, he concedes. Clough, who's 37, also runs a website that helps people find trials to sign up for.

The National Institutes of Health has awarded Florida International University a $12.7 million grant to study substance abuse and adolescent brain development.