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The Eli Lilly natural products group found that alkaloids of the Madagascar periwinkle (Vinca rosea), originally discovered in a screen for anti-diabetic drugs, blocked proliferation of tumour cells. The antitumour effect of the vinca alkaloids (e.g. vincristine ) was later shown to be due to their ability to inhibit microtubule polymerization ...

The length of the drug approval process fell under severe scrutiny during the early years of the AIDS epidemic.In the late 1980s, ACT-UP and other HIV activist organizations accused the FDA of unnecessarily delaying the approval of medications to fight HIV and opportunistic infections, and staged large protests, such as a confrontational October 11, 1988, action at the FDA headquarters which ...

Joseph A. Ladapo (born 1978/1979) is an American physician who is the surgeon general of Florida.

In chemistry, an enantiomer (/ ɪ ˈ n æ n t i. ə m ər, ɛ-,-oʊ-/ ih-NAN-tee-ə-mər; from Ancient Greek ἐνάντιος (enántios) 'opposite', and μέρος (méros) 'part') – also called optical isomer, antipode, or optical antipode – is one of two stereoisomers that are mirror images of each other that are non-superposable (not identical), much as one's left and right hands are ...