Putin took cancer drugs that warped his decision-making on Ukraine, Danish intel says, reviving disputed theories about his healthA Danish intelligence official said Putin was taking thyroid-cancer drugs in February 2022.The claim was reported by the Danish newspaper Berlingske based on an interview with the head of the Russia analysis team for Denmark's national defense intelligence agency, Forsvarets Efterretningstjeneste (FE).He said "delusions of grandeur" are a known side effect of the type of hormone treatment that he believes Putin was on at the time.Speculation has abounded since the start of the invasion that Putin is sick, based on Russian media reporting, interviews with former Western officials, and claims by Ukraine.A retired US brigadier general and a former defense attaché to Russia, Kevin Ryan, told Insider in May that the start of the Ukraine war could not be attributed solely to Putin or his health."