Remember the possibility that Bush's thyroid storm was part of his decision making:
The question of the influence of Bush's hyperthyroid condition on his decison-making, especially his rageful and obsessive decisions to go to war in Panama and the Gulf, could not be avoided even by the pro-regime press. A New York Times article by Dr. Lawrence K. Altman, MD, posed the question, "does an overactive thyroid gland affect mood and judgment?" According to this piece, experts interviewed admitted that they had "wondered about a theoretical link between [Bush's] Graves' disease and his presidential decisions. Most experts believe that people with hyperthyroidism do not make decisions as well as they would normally." "An important question," wrote Altman, "is when Mr. Bush's case of Graves' disease began." One way to shed light on this question would be to test stored blood samples that Bush's doctors would routinely keep. But the Secret Service has a policy of destroying all such specimens for security reasons! According to Dr. Andre Van Herle of UCLA, among patients suffering from hyperthyroidism, "some are not disturbed at all; others are basket cases."
also:
https://www.nytimes.com/1991/05/21/health/the-doctor-s-world-president-s-thyroid-questions-of-mood.html