Gina Solomon MD speaks to the known health effects of exposure to crude oil, such as following the continuing April 20, 2010 leak in the Gulf of Mexico.. She discusses her concerns and worries about the legacy of the exposure on human and wildlife, shifting winds, hurricanes, etc. Included is an overview of the nature of crude oil. Dr. Solomon is a scientist with the Natural Resources Defense Council and is on staff at the University of California - San Francisco, Dept of Occupational and Environmental Health.