The 2009 Jack Mendelson Honorary Lecture: Recent Findings From a 25-Year Longitudinal Study of Genetic and Environmental Contributors to Alcoholism0 seconds of 0 secondsVolume 90% Press shift question mark to access a list of keyboard shortcuts Keyboard Shortcuts Play/PauseSPACE Increase Volume↑ Decrease Volume↓ Seek Forward→ Seek Backward← Captions On/Offc Fullscreen/Exit Fullscreenf Mute/Unmutem Seek %0-9
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