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Another idea is to mix both types of indexing , using wage indexing to protect the benefits of lower-earning workers and price indexing to reduce the benefits of higher earners . Other highlights of the symposium include a presentation on the epidemiology of depression by Myrna Weissman , Ph.D ., distinguished professor of psychiatry and epidemiology at Columbia University ; and a presentation on the impact of alcoholism and drug abuse on bipolar disorder by Mauricio Tohen , M.D ., an associate professor of psychiatry at Harvard University . Communications Commission 's ( FCC ) vote on Thursday of this week on the funding level of the E-rate program . That is why we are also working to broaden the discussions on strengthening Social Security to focus on all potential options and tradeoffs , rather than how to implement a fundamental restructuring of the program . But according to David Zee , M.D ., professor of neurology at Johns Hopkins , " We should do exactly the opposite .