There is "sufficient documentation" linking mountaintop removal mining to adverse health effects. Until the science is clearer, the report states, "preventative action in the face of uncertainty is warranted." Much of the review focuses on the work of West Virginia University professor Michael Hendryx. The coal industry has made several attempts to rebuke his study informally and through research.

http://www.statejournal.com/story/22055719/physicians-scientists-call-for-moratorium-on-mountaintop-removal