Potential participants are screened carefully and thoroughly prior to participating in any of our studies.

Who can participate?

We typically recruit two types of volunteers for research participation:

Who cannot participate?

Some people are not eligible for our studies because:

A few of the more common reasons we find people to be ineligible are listed below:

Given the design of most of our studies, we also recommend that candidates live within a reasonable commuting distance to our research center in Ann Arbor, Michigan (see Map & Directions). Research participants are not compensated for travel expenses. However, individuals enrolled in research are generally provided with financial compensation for time and effort and should not incur study-related costs or medical billing of any kind.