Eric Merola makes very fine films about alternative cancer treatments.  In this one, he covers the official cover-up of laetrile, an extract from apricot seeds, that was tested by a prominent Sloan-Kettering scientist, whose work was deliberately obscured by his employer.  Time frame is the 1970s, but so much that went on then is the same stuff authorities do today.  Anything to hide an effective low-cost treatment for the sake of pharmaceutical profits.