亢 - high spirits

the arrogant dragon will have cause to repent; he who reaches the top is bound to fail if he is not prudent

idiopathic intracranial hypertension; benign intracranial hypertension; pseudotumor cerebri

rising; exacerbated; exasperated; accelerated; aggravated

palpitations; tachycardia

dragon that has ascended to the heavens; person who has acquired immense wealth and power

Chinese "Neck" constellation (one of the 28 mansions)

hyperthyroidism

primary hyperparathyroidism

hyperarousal (symptom of PTSD)

hyperparathyroidism