Andrew Hamacher Neurobiology, Ph.D. Program: Crowley Lab Breadcrumb Department of Biology amh8778 Andrew Hamacher Neurobiology, Ph.D. Program: Crowley Lab Department Affiliations Department of Biology Interests Chronic nicotine use and its effects on REM sleep. Address W311 Millennium Science Complex, 491 Pollock Road, University Park, PA 16802 Email amh8778@psu.edu
