In Greek mythology, Cratos ("strength") was a son of Styx and Pallas, brother of Nike, Bia and Zelus. He was the personification of strength and power. Cratos and his siblings were all companions of Zeus.
The spelling Kratos would be more faithful to the original Greek spelling, which is Κρατος.
... medicine.
Quackery is still abundant today, herbal medicine[?], miracle cures, and diet and fitness regimes are considered a form of Quackery by medical experts, ...