If you live or work in Boston or Detroit, you might be eligible to participate in the Environmental PRESTO substudy (E-PRESTO). If you do not live in these two areas, you might still be eligible to participate in E-PRESTO through our new Mail-Based protocol. Please see below to learn more!

Please note participants may enroll in E-PRESTO without their partners.









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Recruitment for E-PRESTO began in 2015 and the Detroit site was added in late March 2017! Please enroll in PRESTO to see if you are eligible.

To enroll in PRESTO, click here: PRESTO Enrollment Form.