we have deep longstanding corruption in:

Centers for Disease Control (DCD)

National Institutes of Health (NIH)

"Capture by mediocrity" lousy researcher control and reserve funding for preapparoved lines of research by the researchers that previously approved their funding. (Repeat forever) 
This is why 40 billion dollars of Altzheimers research over 20 years has produced nothing, zero, and a goose egg debate about tau and beta amyloid proteins. It's pitiful. Billions squandered to keep existing, profitable drugs on the market, anb block new ones who effectiveness would massively disrupt the market.
See "afrezza" in the diabetes space.

Food and Drug Administration (FDA)