This site is dedicated to hosting data collection efforts for research projects being conducted by the IMPACT Program at Northwestern University. Our mission is to conduct translational research that improves the health of the lesbian, gay, bisexual, and transgender (LGBT) community and to increase understanding of the development of sexual orientation and gender identity. If you would like additional information about IMPACT, please visit www.impactprogram.org. If you have any questions, please email us at impact@impactprogram.org.