The Compendium of Caraka 6.5.5

6.5.5

rūkṣānnapānairatisevitairvā śokena mithyāpratikarmaṇā vā/
viceṣṭitairvā viṣamātimātraiḥ koṣṭhe prakopaṃ samupaiti vāyuḥ//

Or from excessive consumption of dry food and drink, from grief, from incorrect medical procedures,
or from irregular and excessive physical activities, vāyu becomes aggravated in the abdomen.